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Sketch, find the reference angle, and the exact function value of the following: 1. Sec -225°...

Sketch, find the reference angle, and the exact function value of the following:

1. Sec -225°

2. Sin -45°                                                             

3. Cos -120°                                                            

4. Cos 495°

5. Tan 480°

6. Sin -450°

7. Sec 315°

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