Hi, can you help me with this exercise, please !!

DefaultUsernameN asked Sep 23, 2023

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4 votes

DefaultUsernameN asked Sep 23, 2023

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9 votes

Trigonometric identity

$1+\tan ^2\theta=\sec ^2\theta$

Substituting with the secant value given:

SteveDonie answered Sep 28, 2023

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