Вопрос:
Задание 7
Производные тригонометрических функций.
Ответ:
- $$y = \lg(2x)$$: $$y' = \frac{1}{x \ln 10}$$
- $$y = \ln(3x)$$: $$y' = \frac{1}{x}$$
- $$y = log_2(4x-1)$$: $$y' = \frac{4}{(4x-1)\ln2}$$
- $$y = \ln(x^2)$$: $$y' = \frac{2}{x}$$
- $$y = (\ln x)^3$$: $$y' = \frac{3(\ln x)^2}{x}$$
- $$y = 7 \cos x$$: $$y' = -7 \sin x$$
- $$y = 5 \cos x$$: $$y' = -5 \sin x$$
- $$y = \sin x$$: $$y' = \cos x$$
- $$y = \sin 5x$$: $$y' = 5\cos 5x$$
- $$y = \cos 2x$$: $$y' = -2\sin 2x$$
- $$y = 2\sin 3x$$: $$y' = 6 \cos 3x$$
- $$y = \sin ^2x$$: $$y' = \sin2x$$
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