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Asked by Ryan

Given that sin theta= 3/5 and the terminal side is in quadrant II, find tan (pi/2 - theta)
13 years ago

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Answered by Reiny
make a triangle and you should reconize the 3-4-5 right-angled triangle.

but we know tan(π/2 - Ø) = cotØ , coterminal ratios

since Ø is in II , tan Ø = -3/4
cotØ = 1/tanØ = -4/3
13 years ago

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