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OpenStax, Algebra and Trigonometry 2e §9.5 Solving Trigonometric Equations · Review Exercise 115 · Trigonometry · Identities

Solving Trigonometric Equations · Review Exercise 115

Determine if the given identities are equivalent.

$s i n^{2} x + se c^{2} x - 1 = \frac{( 1 - co s ^{2} x ) ( 1 + co s ^{2} x )}{co s ^{2} x}$

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OpenStax, Algebra and Trigonometry 2e · §9.5 Solving Trigonometric Equations · Review Exercise 115

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