# Deriving trigonometric functions

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Express each of the six functions (ratios) in terms of angle A.

Derive Sin,Cos,Tan,Cot and Cosec from a right triangle.

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Referring to the triangle below, express each of the six functions (ratios) in terms of angle A.

Sin A=a/c _cos___A =____

_tan____A=____ _cot___A ...

#### Solution Summary

This shows how to express trigonometric functions as ratios.

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