Question

sinxcosx=0,x=?

Answer 1

for the problem:
sin(x) * cos(x) = 0
What values of x will result in cos(x)=0 or sin(x)=0?
Hint: in the domain of 0<=x<(2*pi), there are 4 values.

Answer 2

simplify the trigonometric expression.

1 1
--- = ---
1+sin 1-sin


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