Question

Найдите производные функции

y=x+6/cos x

Answer 1

$y' = (x + 6/cos(x))' = x' + 6 * (1/cos(x))' = 1 + 6 * sin(x)/cos(x)^2 = 1 + 6tg(x)/cos(x)$

Answer 2

$y = \frac{6 ) }{ \cos(x) }$

$y = 1 + \frac{6 \sin(x) }{ \cos( {x}^{2} ) }$