\u00d4n t\u1eadp thi THPT qu\u1ed1c gia: Ph\u01b0\u01a1ng ph\u00e1p chinh ph\u1ee5c c\u1ef1c tr\u1ecb v\u00e0 \u0111\u1ed3 th\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00d4n t\u1eadp thi THPT qu\u1ed1c gia: Ph\u01b0\u01a1ng ph\u00e1p chinh ph\u1ee5c c\u1ef1c tr\u1ecb v\u00e0 \u0111\u1ed3 th\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u\" \/>\n<meta property=\"og:description\" content=\"Theo c\u1ea5u tr\u00fac \u0111\u1ec1 thi M\u00f4n V\u1eadt l\u00fd trong k\u1ef3 thi THPT qu\u1ed1c gia s\u1ebd c\u00f3 4 c\u00e2u v\u1eadn d\u1ee5ng cao gi\u00fap ph\u00e2n lo\u1ea1i h\u1ecdc sinh. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m 9-10 c\u00e1c em h\u1ecdc sinh ch\u1eafc ch\u1eafn kh\u00f4ng th\u1ec3 b\u1ecf qua b\u00e0i to\u00e1n quan tr\u1ecdng trong \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 B\u00c0I TO\u00c1N C\u1ef0C TR\u1eca. Khi […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-07T15:02:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-01-08T03:47:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/01\/photo-1-1514361873250.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"703\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/\",\"url\":\"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/\",\"name\":\"\u00d4n t\u1eadp thi THPT qu\u1ed1c gia: Ph\u01b0\u01a1ng ph\u00e1p chinh ph\u1ee5c c\u1ef1c tr\u1ecb v\u00e0 \u0111\u1ed3 th\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-01-07T15:02:43+00:00\",\"dateModified\":\"2018-01-08T03:47:20+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u00d4n t\u1eadp thi THPT qu\u1ed1c gia: Ph\u01b0\u01a1ng ph\u00e1p chinh ph\u1ee5c c\u1ef1c tr\u1ecb v\u00e0 \u0111\u1ed3 th\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\",\"name\":\"H\u00e0 Trang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"caption\":\"H\u00e0 Trang\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/trangvth2\/\"}]}<\/script>\n","yoast_head_json":{"title":"\u00d4n t\u1eadp thi THPT qu\u1ed1c gia: Ph\u01b0\u01a1ng ph\u00e1p chinh ph\u1ee5c c\u1ef1c tr\u1ecb v\u00e0 \u0111\u1ed3 th\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/","og_locale":"en_US","og_type":"article","og_title":"\u00d4n t\u1eadp thi THPT qu\u1ed1c gia: Ph\u01b0\u01a1ng ph\u00e1p chinh ph\u1ee5c c\u1ef1c tr\u1ecb v\u00e0 \u0111\u1ed3 th\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u","og_description":"Theo c\u1ea5u tr\u00fac \u0111\u1ec1 thi M\u00f4n V\u1eadt l\u00fd trong k\u1ef3 thi THPT qu\u1ed1c gia s\u1ebd c\u00f3 4 c\u00e2u v\u1eadn d\u1ee5ng cao gi\u00fap ph\u00e2n lo\u1ea1i h\u1ecdc sinh. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m 9-10 c\u00e1c em h\u1ecdc sinh ch\u1eafc ch\u1eafn kh\u00f4ng th\u1ec3 b\u1ecf qua b\u00e0i to\u00e1n quan tr\u1ecdng trong \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 B\u00c0I TO\u00c1N C\u1ef0C TR\u1eca. 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{"id":18628,"date":"2018-01-07T22:02:43","date_gmt":"2018-01-07T15:02:43","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=18628"},"modified":"2018-01-08T10:47:20","modified_gmt":"2018-01-08T03:47:20","slug":"tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/","title":{"rendered":"\u00d4n t\u1eadp thi THPT qu\u1ed1c gia: Ph\u01b0\u01a1ng ph\u00e1p chinh ph\u1ee5c c\u1ef1c tr\u1ecb v\u00e0 \u0111\u1ed3 th\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u"},"content":{"rendered":"

$\"\"$ <\/p>\n

Khi nh\u1eafc \u0111\u1ebfn b\u00e0i to\u00e1n c\u1ef1c tr\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u nhi\u1ec1u h\u1ecdc sinh v\u1eabn c\u1ea3m gi\u00e1c lo s\u1ee3 v\u00e0 nhi\u1ec1u b\u1ea1n c\u00f2n ch\u1ee7 \u0111\u1ed9ng b\u1ecf ph\u1ea7n n\u00e0y, nh\u01b0ng ch\u1ec9 c\u1ea7n hi\u1ec3u b\u1ea3n ch\u1ea5t v\u00e0 c\u00f3 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u00fang \u0111\u1eafn, k\u1ebft h\u1ee3p th\u00eam r\u00e8n luy\u1ec7n nhi\u1ec1u b\u00e0i t\u1eadp c\u00e1c em h\u1ecdc sinh ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 chinh ph\u1ee5c d\u1ea1ng b\u00e0i t\u1eadp n\u00e0y \u2013 Th\u1ea7y Ng\u00f4 Th\u00e1i Ng\u1ecd chia s\u1ebb.<\/p>\n

\u0110\u1ec3 gi\u00fap c\u00e1c em t\u1ef1 tin v\u00e0 \u0111\u1ea1t \u0111i\u1ec3m cao, th\u1ea7y Ng\u00f4 Th\u00e1i Ng\u1ecd s\u1ebd n\u00eau ra c\u00e1c b\u01b0\u1edbc h\u1ecdc c\u1ef1c tr\u1ecb v\u00e0 c\u00e1c d\u1ea1ng \u0111\u1ed3 th\u1ecb c\u0169ng nh\u01b0 to\u00e0n b\u1ed9 c\u00f4ng th\u1ee9c th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u1ec1 gi\u1ea3i d\u1ea1ng b\u00e0i n\u00e0y trong \u0111\u1ec1 thi THPT qu\u1ed1c gia:<\/p>\n

B\u01b0\u1edbc 1:<\/strong><\/p>\n

Ph\u1ea3i hi\u1ec3u th\u1ebf n\u00e0o l\u00e0 c\u1ef1c tr\u1ecb: c\u1ef1c tr\u1ecb l\u00e0 x\u00e9t 1 h\u00e0m theo bi\u1ebfn, v\u00ed d\u1ee5 nh\u01b0 x\u00e9t h\u00e0m c\u00f4ng su\u1ea5t P theo bi\u1ebfn \u0111i\u1ec7n tr\u1edf R. T\u00ecm gi\u00e1 tr\u1ecb R \u0111\u1ec3 c\u00f4ng su\u1ea5t \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i v\u00e0 khi c\u1ef1c \u0111\u1ea1i th\u00ec c\u00f3 t\u00ednh ch\u1ea5t g\u00ec k\u00e8m theo, \u0111\u1ed3ng th\u1eddi x\u00e9t khi R=0 ch\u1ea1y \u0111\u1ebfn v\u00f4 c\u00f9ng th\u00ec gi\u00e1 tr\u1ecb c\u1ee7a c\u00f4ng su\u1ea5t thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o. Trong qu\u00e1 tr\u00ecnh R thay \u0111\u1ed5i c\u00f3 hai gi\u00e1 tr\u1ecb R1 v\u00e0 R2 cho c\u00f9ng 1 c\u00f4ng su\u1ea5t th\u00ec s\u1ebd c\u00f3 quan h\u1ec7 g\u00ec v\u1edbi nhau.<\/p>\n

B\u01b0\u1edbc 2:<\/strong><\/p>\n

G\u00f3i nh\u00f3m: c\u1ef1c tr\u1ecb x\u1ea3y ra r\u1ea5t nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p nh\u01b0ng c\u00e1c em c\u00f3 th\u1ec3 \u0111\u01b0a v\u1ec1 7 nh\u00f3m th\u01b0\u1eddng g\u1eb7p nh\u01b0 sau:<\/p>\n

Nh\u00f3m 1:<\/i>\u00a0R Thay \u0111\u1ed5i \u0111\u1ec3 c\u00f4ng su\u1ea5t P c\u1ef1c \u0111\u1ea1i (Tr\u01b0\u1eddng h\u1ee3p cu\u1ed9n d\u00e2y thu\u1ea7n c\u1ea3m v\u00e0 cu\u1ed9n d\u00e2y kh\u00f4ng thu\u1ea7n c\u1ea3m).<\/p>\n

Nh\u00f3m 2:\u00a0<\/i>L thay \u0111\u1ed5i \u0111\u1ec3 (I, P, Cos \u03c6, UR , UC , URC ) \u0111\u1eb7t c\u1ef1c \u0111\u1ea1i.<\/p>\n

Nh\u00f3m 3:<\/i>\u00a0L thay \u0111\u1ed5i \u0111\u1ec3 UL \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i.<\/p>\n

(ch\u00fa \u00fd C thay \u0111\u1ed5i going tr\u01b0\u1eddng h\u1ee3p L thay \u0111\u1ed5i, ch\u1ec9 c\u1ea7n \u0111\u1ed5i L cho C v\u00e0 C cho L)<\/p>\n

Nh\u00f3m 4:<\/i>\u00a0L thay \u0111\u1ed5i \u0111\u1ec3 URL c\u1ef1c \u0111\u1ea1i.<\/p>\n

Nh\u00f3m 5:\u00a0<\/i>\u03c9 thay \u0111\u1ed5i \u0111\u1ec3 (I, P, Cos \u03c6, UR ) \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i.<\/p>\n

Nh\u00f3m 6:<\/i>\u00a0\u03c9 thay \u0111\u1ed5i \u0111\u1ec3 UL c\u1ef1c \u0111\u1ea1i.<\/p>\n

Nh\u00f3m 7:<\/i>\u00a0\u03c9 thay \u0111\u1ed5i \u0111\u1ec3 Uc c\u1ef1c \u0111\u1ea1i.<\/p>\n

B\u01b0\u1edbc 3:\u00a0<\/strong>lu\u00f4n \u0111\u1eb7t ra c\u00e2u h\u1ecfi t\u1ea1i sao v\u00e0 \u0111i ch\u1ee9ng minh to\u00e0n b\u1ed9 c\u00f4ng th\u1ee9c c\u1ef1c tr\u1ecb, ho\u1eb7c c\u00f3 th\u1ec3 xem b\u00e0i gi\u1ea3ng c\u1ee7a gi\u00e1o vi\u00ean r\u1ed3i t\u1ef1 m\u00ecnh \u0111i ch\u1ee9ng minh l\u1ea1i.<\/p>\n

B\u01b0\u1edbc 4:\u00a0<\/strong>nh\u1edb c\u00f4ng th\u1ee9c – quan tr\u1ecdng nh\u1ea5t c\u1ee7a vi\u1ec7c h\u1ecdc c\u1ef1c tr\u1ecb l\u00e0 ph\u1ea3i nh\u1edb c\u00f4ng th\u1ee9c, v\u00ec n\u1ebfu v\u00e0o ph\u00f2ng thi ch\u1ee9ng minh l\u1ea1i l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 v\u00ec n\u00f3 r\u1ea5t m\u1ea5t th\u1eddi gian.<\/p>\n

B\u01b0\u1edbc 5:\u00a0<\/strong>r\u00e8n luy\u1ec7n nhi\u1ec1u b\u00e0i t\u1eadp v\u00e0 ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec1u d\u1ea1ng b\u00e0i kh\u00e1c nhau, c\u00f3 nh\u1eefng d\u1ea1ng b\u00e0i c\u1ea7n \u0111\u1ebfn th\u1ee7 thu\u1eadt gi\u1ea3i \u0111\u1ec3 n\u1eafm v\u1eefng c\u00f4ng th\u1ee9c.<\/p>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Theo c\u1ea5u tr\u00fac \u0111\u1ec1 thi M\u00f4n V\u1eadt l\u00fd trong k\u1ef3 thi THPT qu\u1ed1c gia s\u1ebd c\u00f3 4 c\u00e2u v\u1eadn d\u1ee5ng cao gi\u00fap ph\u00e2n lo\u1ea1i h\u1ecdc sinh. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m 9-10 c\u00e1c em h\u1ecdc sinh ch\u1eafc ch\u1eafn kh\u00f4ng th\u1ec3 b\u1ecf qua b\u00e0i to\u00e1n quan tr\u1ecdng trong \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 B\u00c0I TO\u00c1N C\u1ef0C TR\u1eca. Khi […]<\/p>\n","protected":false},"author":3,"featured_media":18630,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[158],"tags":[],"yoast_head":"\n\u00d4n t\u1eadp thi THPT qu\u1ed1c gia: Ph\u01b0\u01a1ng ph\u00e1p chinh ph\u1ee5c c\u1ef1c tr\u1ecb v\u00e0 \u0111\u1ed3 th\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/tap-thi-thpt-quoc-gia-phuong-phap-chinh-phuc-cuc-tri-va-thi-dien-xoay-chieu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00d4n t\u1eadp thi THPT qu\u1ed1c gia: Ph\u01b0\u01a1ng ph\u00e1p chinh ph\u1ee5c c\u1ef1c tr\u1ecb v\u00e0 \u0111\u1ed3 th\u1ecb \u0111i\u1ec7n xoay chi\u1ec1u\" \/>\n<meta property=\"og:description\" content=\"Theo c\u1ea5u tr\u00fac \u0111\u1ec1 thi M\u00f4n V\u1eadt l\u00fd trong k\u1ef3 thi THPT qu\u1ed1c gia s\u1ebd c\u00f3 4 c\u00e2u v\u1eadn d\u1ee5ng cao gi\u00fap ph\u00e2n lo\u1ea1i h\u1ecdc sinh. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m 9-10 c\u00e1c em h\u1ecdc sinh ch\u1eafc ch\u1eafn kh\u00f4ng th\u1ec3 b\u1ecf qua b\u00e0i to\u00e1n quan tr\u1ecdng trong \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 B\u00c0I TO\u00c1N C\u1ef0C TR\u1eca. 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