Question

найдите производную функции y=tg(5x-pi/4)

Answer 1

у=tg(5x-π/4)
$y'= \frac{1}{cos^{2}(5x- \frac{ \pi }{4}) } *(5x- \frac{ \pi }{4})'= \frac{5}{cos^{2}(5x- \frac{ \pi }{4}) }$