Hàm số \(% MathType!MTEF!2!1!+- % feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiabg2 % da9iaaikdadaGcaaqaaiGacohacaGGPbGaaiOBaiaadIhaaSqabaGc % cqGHsislcaaIYaWaaOaaaeaaciGGJbGaai4BaiaacohacaWG4baale % qaaaaa!4242! y = 2\sqrt {\sin x} - 2\sqrt {\cos x} \) có đạo hàm là:
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Lời giải:
Báo sai\(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiaacE % cacqGH9aqpcaaIYaWaaeWaaeaadaGcaaqaaiGacohacaGGPbGaaiOB % aiaadIhaaSqabaaakiaawIcacaGLPaaacaGGNaGaeyOeI0IaaGOmam % aabmaabaWaaOaaaeaaciGGJbGaai4BaiaacohacaWG4baaleqaaaGc % caGLOaGaayzkaaGaai4jaiabg2da9iaaikdacaGGUaGaci4yaiaac+ % gacaGGZbGaamiEaiaac6cadaWcaaqaaiaaigdaaeaacaaIYaWaaOaa % aeaaciGGZbGaaiyAaiaac6gacaWG4baaleqaaaaakiabgUcaRiaaik % daciGGZbGaaiyAaiaac6gacaWG4bWaaSaaaeaacaaIXaaabaGaaGOm % amaakaaabaGaci4yaiaac+gacaGGZbGaamiEaaWcbeaaaaaaaa!5EBA! y' = 2\left( {\sqrt {\sin x} } \right)' - 2\left( {\sqrt {\cos x} } \right)' = 2.\cos x.\frac{1}{{2\sqrt {\sin x} }} + 2\sin x\frac{1}{{2\sqrt {\cos x} }}\)
\(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeyypa0ZaaS % aaaeaaciGGJbGaai4BaiaacohacaWG4baabaWaaOaaaeaaciGGZbGa % aiyAaiaac6gacaWG4baaleqaaaaakiabgUcaRmaalaaabaGaci4Cai % aacMgacaGGUbGaamiEaaqaamaakaaabaGaci4yaiaac+gacaGGZbGa % amiEaaWcbeaaaaaaaa!4785! = \frac{{\cos x}}{{\sqrt {\sin x} }} + \frac{{\sin x}}{{\sqrt {\cos x} }}\)