Question
Find the product and simplify your answer. (cos -1)(cos +1) (cos -1)(cos +1)=
Find the product and simplify your answer. (cos -1)(cos +1) (cos -1)(cos +1)=
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Algebra and Trigonometry
Authors: Ron Larson
10th edition
9781337514255, 1337271179, 133751425X, 978-1337271172
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