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OpenStudy (anonymous):
If the sin 60° is square root 3/2, then the cos ____° = _____. I answered this Already and I want to know if it is correct... I got 30; Square Root 3/2 30° ; 1/2 60° ; square root 2/2 30° ; square root 3/2 60° ; 1
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OpenStudy (whpalmer4):
Yes, sin and cos are complementary, so if sin x = y, cos (90-x) = y (if x is in degrees!)
OpenStudy (anonymous):
Ok, great! Thanks so much!!
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