SOLUTION: tanA + cotA =2 . find sinA

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Question 872877: tanA + cotA =2 . find sinA
Answer by Alan3354(69443) About Me  (Show Source):
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tanA + cotA =2 . find sinA
tan + 1/tan = 2
tan^2 - 2tan + 1 = 0
tan = 1
A = 45, 225 degs
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sin%28A%29+=+sqrt%282%29%2F2
sin%28A%29+=+-sqrt%282%29%2F2