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What is the result when the following expression is simplified as much as possible?sin(2h)sec(h)+2sin(−h) |
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Answer» Because sin X is an odd FUNCTION, we can rewrite the second term in the expression. 2sin(−H)=−2sin h. We now USE a double-angle formula to expand the first term. sin(2H)sec h=2sin h cos h sec h. Because they are reciprocals, cos h sec h=1. 2sin h cos h sec h−2sin h=2sin h−2sin h=0. |
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