Найдите производнуюу=3-tgx +sin x

Question

Найдите производную
у=3-tgx +sin x

Answer 1

У=3-tgx +sin x = - (sinx' *cosx - sinx* cosx')/cos^2(x) + cosx = - (cosx *cosx + sinx* sinx)/cos^2(x) + cosx= 1/cos^2(x) + cosx