Question

8sinxcosx=0
Помогите срочно!!!

Answer 1

$8sinxcosx=0 \ \ left [begin{array}{I} sinx=0 \ cosx=0 end{array}$

$left [begin{array}{I} x= pi k; k in Z\ x= dfrac{ pi }{2}+ pi k; k in Z end{array}$