Question

Вычисли производную
((3х+5)*tgх)

Answer 1

$((3x+5)*tgx)`=(3x+5)`*tgx+(3x+5)*(tgx)`=3tgx+frac{3x+5}{cos^2x}$

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$(ax)`=a\\(C)`=0,,,,C=const\\(tgx)`=frac{1}{cos^2x}\\(u*v)`=u`*v+u*v`$