Question

Find all solutions to the equation. (sin x)(cos x) = 0

Answer 1

hello :
(sin x)(cos x) = 0
sinx = 0 or cosx= 0
all solutions in : R
1) sinx= 0 : x = kπ...... k∈ Z
2) cosx= 0 : x= π/2 + kπ ....k∈ Z