Question: 5. Find the exact value of each expression without using a calculator: (a) tan (ca ()) COS (b) sin (105) (c) cos $ (7)

5. Find the exact value of each expression without using a calculator:

5. Find the exact value of each expression without using a calculator: (a) tan (ca ()) COS (b) sin (105) (c) cos $ (7) COS T + sin sin 12. 12

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