SOLUTION: If cosθ = -3/5, find cos(pi/2 - θ). Write your answer as a fraction.

SOLUTION: If cosθ = -3/5, find cos(pi/2 - θ). Write your answer as a fraction.

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Question 1187340: If cosθ = -3/5, find cos(pi/2 - θ). Write your answer as a fraction.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

If => and
then

or
so, or
since , we have
or
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