Question

Вычислить производную

Answer 1

см.вложение
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Answer 2

$y=7^{cos^5\frac{x}3}\\\\y'=7^{cos^5\frac{x}3}*ln7*(cos^5\frac{x}3)'=7^{cos^5\frac{x}3}*ln7*5*cos^4\frac{x}3*(cos\frac{x}3)'=\\=-7^{cos^5\frac{x}3}*ln7*5*cos^4\frac{x}3*sin\frac{x}3*(\frac{x}3)'=-\frac{5*ln7}3*7^{cos^5\frac{x}3}*cos^4\frac{x}3*sin\frac{x}3$