amandamills1092 amandamills1092

10-04-2016
Mathematics

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Find the angle measure that makes the statement true. Sin 25° = Cos ____ °

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malkamaki00 malkamaki00

10-04-2016

Since the sine and cosine functions are cofunctions, they are complementary. The format for this is that sinx=cos(90-x). This works for secant and cosecant and tangent and cotangent. So, sin25°=cos65°.

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