Precalculus Archive: Questions from December 09, 2023
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Simplificar, suprimiendo los signos de agrupación y reduciendo términos semejantes: \[ 2 x+[-5 x-(-2 y+(-x+y))] \]1 answer -
Find the exact value of the expression, if possible. (If not possible, enter IMPOSSIBLE.) (a) \( \cos \left(\arcsin \left(\frac{15}{17}\right)\right) \) (b) \( \sin \left(\operatorname{arc}(\tan )\lef1 answer