Question: Evaluate the following expressions. The answer must be given as a fraction, NO DECIMALS. If the answer involves a square root it should be entered

 Evaluate the following expressions. The answer must be given as a

fraction, NO DECIMALS. If the answer involves a square root it should

Evaluate the following expressions. The answer must be given as a fraction, NO DECIMALS. If the answer involves a square root it should be entered as sqrt. For instance, the square root of 2 should be written as sqrt(2).If tan (?) = -9/7 and sin(?)

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