SOLUTION: sin^2 12 degree+sin^2 40 degree+sin^2 50 degree+sin^2 78 degree

SOLUTION: sin^2 12 degree+sin^2 40 degree+sin^2 50 degree+sin^2 78 degree

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Question 588973: sin^2 12 degree+sin^2 40 degree+sin^2 50 degree+sin^2 78 degree
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
sin^2 12 + degree+sin^2 + 40 degree+sin^2 + 50 degree+sin^2 + 78 degree
= sin^2 12 + cos^2(12) + sin^2 40 + cos^2(40)
= 1 + 1
= 2
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