Đạo hàm của hàm số \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiabg2 % da9iGacohacaGGPbGaaiOBamaaCaaaleqabaGaaGOmaaaakmaabmaa % baWaaSaaaeaacqaHapaCaeaacaaIYaaaaiabgkHiTiaaikdacaWG4b % aacaGLOaGaayzkaaGaey4kaSYaaSaaaeaacqaHapaCaeaacaaIYaaa % aiaadIhacqGHsisldaWcaaqaaiabec8aWbqaaiaaisdaaaaaaa!4A5A! y = {\sin ^2}\left( {\frac{\pi }{2} - 2x} \right) + \frac{\pi }{2}x - \frac{\pi }{4}\) là
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Lời giải:
Báo sai\(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyEaiabg2 % da9iGacohacaGGPbGaaiOBamaaCaaaleqabaGaaGOmaaaakmaabmaa % baWaaSaaaeaacqaHapaCaeaacaaIYaaaaiabgkHiTiaaikdacaWG4b % aacaGLOaGaayzkaaGaey4kaSYaaSaaaeaacqaHapaCaeaacaaIYaaa % aiaadIhacqGHsisldaWcaaqaaiabec8aWbqaaiaaisdaaaGaeyypa0 % ZaaSaaaeaacaaIXaGaeyOeI0Iaci4yaiaac+gacaGGZbWaaeWaaeaa % cqaHapaCcqGHsislcaaI0aGaamiEaaGaayjkaiaawMcaaaqaaiaaik % daaaGaey4kaSYaaSaaaeaacqaHapaCaeaacaaIYaaaaiaadIhacqGH % sisldaWcaaqaaiabec8aWbqaaiaaisdaaaaaaa!5E75! y = {\sin ^2}\left( {\frac{\pi }{2} - 2x} \right) + \frac{\pi }{2}x - \frac{\pi }{4} = \frac{{1 - \cos \left( {\pi - 4x} \right)}}{2} + \frac{\pi }{2}x - \frac{\pi }{4}\)
\(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGabmyEayaafa % Gaeyypa0JaeyOeI0IaaGOmaiGacohacaGGPbGaaiOBamaabmaabaGa % eqiWdaNaeyOeI0IaaGinaiaadIhaaiaawIcacaGLPaaacqGHRaWkda % Wcaaqaaiabec8aWbqaaiaaikdaaaGaeyyXICnaaa!4827! y' = - 2\sin \left( {\pi - 4x} \right) + \frac{\pi }{2} \cdot \)