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# 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.

##### Solution Summary

This shows how to express trigonometric functions as ratios.

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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 ...

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This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

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