# trig

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if cot 17 degrees = 3.2709, find tan 73 degrees

• trig -

There are 3 co-ratios
sine vs cosine
secant vs cosecant
tangent vs cotangent

that is, sin(x) = cos(90°-x)

so cot(17°) = tan(90-17) = tan 73° = 3.2709

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