Đạo hàm của hàm số \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiabg2 % da9iGacogacaGGVbGaaiiDamaaCaaaleqabaGaaGOmaaaakmaabmaa % baGaci4yaiaac+gacaGGZbGaamiEaaGaayjkaiaawMcaaiabgUcaRm % aakaaabaGaci4CaiaacMgacaGGUbGaamiEaiabgkHiTmaalaaabaGa % eqiWdahabaGaaGOmaaaaaSqabaaaaa!495F! y = {\cot ^2}\left( {\cos x} \right) + \sqrt {\sin x - \frac{\pi }{2}} \) là

A. \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiaacE % cacqGH9aqpcqGHsislcaaIYaGaci4yaiaac+gacaGG0bWaaeWaaeaa % ciGGJbGaai4BaiaacohacaWG4baacaGLOaGaayzkaaWaaSaaaeaaca % aIXaaabaGaci4CaiaacMgacaGGUbWaaWbaaSqabeaacaaIYaaaaOWa % aeWaaeaaciGGJbGaai4BaiaacohacaWG4baacaGLOaGaayzkaaaaai % abgUcaRmaalaaabaGaci4yaiaac+gacaGGZbGaamiEaaqaaiaaikda % daGcaaqaaiGacohacaGGPbGaaiOBaiaadIhacqGHsisldaWcaaqaai % abec8aWbqaaiaaikdaaaaaleqaaaaakiaac6caaaa!5A07! y' = - 2\cot \left( {\cos x} \right)\frac{1}{{{{\sin }^2}\left( {\cos x} \right)}} + \frac{{\cos x}}{{2\sqrt {\sin x - \frac{\pi }{2}} }}.\)

B. \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiaacE % cacqGH9aqpcaaIYaGaci4yaiaac+gacaGG0bWaaeWaaeaaciGGJbGa % ai4BaiaacohacaWG4baacaGLOaGaayzkaaWaaSaaaeaacaaIXaaaba % Gaci4CaiaacMgacaGGUbWaaWbaaSqabeaacaaIYaaaaOWaaeWaaeaa % ciGGJbGaai4BaiaacohacaWG4baacaGLOaGaayzkaaaaaiaac6caci % GGZbGaaiyAaiaac6gacaWG4bGaey4kaSYaaSaaaeaaciGGJbGaai4B % aiaacohacaWG4baabaGaaGOmamaakaaabaGaci4CaiaacMgacaGGUb % GaamiEaiabgkHiTmaalaaabaGaeqiWdahabaGaaGOmaaaaaSqabaaa % aOGaaiOlaaaa!5DA1! y' = 2\cot \left( {\cos x} \right)\frac{1}{{{{\sin }^2}\left( {\cos x} \right)}}.\sin x + \frac{{\cos x}}{{2\sqrt {\sin x - \frac{\pi }{2}} }}.\)

C. \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiaacE % cacqGH9aqpcqGHsislcaaIYaGaci4yaiaac+gacaGG0bWaaeWaaeaa % ciGGJbGaai4BaiaacohacaWG4baacaGLOaGaayzkaaWaaSaaaeaaca % aIXaaabaGaci4CaiaacMgacaGGUbWaaWbaaSqabeaacaaIYaaaaOWa % aeWaaeaaciGGJbGaai4BaiaacohacaWG4baacaGLOaGaayzkaaaaai % abgUcaRmaalaaabaGaci4yaiaac+gacaGGZbGaamiEaaqaamaakaaa % baGaci4CaiaacMgacaGGUbGaamiEaiabgkHiTmaalaaabaGaeqiWda % habaGaaGOmaaaaaSqabaaaaOGaaiOlaaaa!594B! y' = - 2\cot \left( {\cos x} \right)\frac{1}{{{{\sin }^2}\left( {\cos x} \right)}} + \frac{{\cos x}}{{\sqrt {\sin x - \frac{\pi }{2}} }}.\)

D. \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiaacE % cacqGH9aqpcaaIYaGaci4yaiaac+gacaGG0bWaaeWaaeaaciGGJbGa % ai4BaiaacohacaWG4baacaGLOaGaayzkaaWaaSaaaeaacaaIXaaaba % Gaci4CaiaacMgacaGGUbWaaWbaaSqabeaacaaIYaaaaOWaaeWaaeaa % ciGGJbGaai4BaiaacohacaWG4baacaGLOaGaayzkaaaaaiaac6caci % GGZbGaaiyAaiaac6gacaWG4bGaey4kaSYaaSaaaeaaciGGJbGaai4B % aiaacohacaWG4baabaWaaOaaaeaaciGGZbGaaiyAaiaac6gacaWG4b % GaeyOeI0YaaSaaaeaacqaHapaCaeaacaaIYaaaaaWcbeaaaaGccaGG % Uaaaaa!5CE5! y' = 2\cot \left( {\cos x} \right)\frac{1}{{{{\sin }^2}\left( {\cos x} \right)}}.\sin x + \frac{{\cos x}}{{\sqrt {\sin x - \frac{\pi }{2}} }}.\)

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Môn: Toán Lớp 11

Chủ đề: Hàm số lượng giác và phương trình lượng giác

Bài: Phương trình lượng giác cơ bản