Establish identity. (sec - 1)(sec + 1) = tan 2

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Establish identity.

(sec θ - 1)(sec θ + 1) = tan² θ

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Question Posted: Mar 09, 2019 07:37 AM

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Establish identity. (sec - 1)(sec + 1) = tan 2

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Precalculus

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