Question: 3. Now lets compare the right triangle and unit circle definitions of sine and cosine. a. Explain how the cosine and sine functions are defined.

3. Now lets compare the right triangle and unit circle definitions

3. Now lets compare the right triangle and unit circle definitions of sine and cosine. a. Explain how the cosine and sine functions are defined. Think about the unit circle and about right triangles. When we ask what the value of cos(It) is, which definition are we using? Why? b. Why is it not possible to evaluate cos( ) using the right triangle definition

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