Question: Evaluate each expression. 8 17 tan tan a) 817 1 + tan 9 tan 9 299 77 299 77 b) sin COS COS sin 298

Evaluate each expression. 8 17 tan tan a) 817 1 + tan 9 tan 9 299 77 299 77 b) sin COS COS sin 298 298 298 298 c) sin 50 cos 20 - cos 50 sin 20 3 TT 3 17 d) sin cos + cos sin 8 8 8 8

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