Explanation Given: The identity is, sec θ − cos θ = tan θ sin θ Formula used: sec θ = 1 cos θ tan θ = sin θ cos θ sin 2 θ + cos 2 θ = 1 Proof: Consider left side of the expression and simplify. sec θ − cos θ = 1 cos θ − cos θ 1

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ISBN: 9780137394357

Author: Blitzer

Publisher: PEARSON

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.

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Chapter 8, Problem 37CRE

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To prove: The identity secθ−cosθ=tanθsinθ.

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Chapter 8, Problem 36CRE

Chapter 8, Problem 38CRE

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To prove: The identity sec θ − cos θ = tan θ sin θ .

Solution Summary: The author explains the formula used to prove the identity of mathrmsectheta.

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To prove: The identity secθ−cosθ=tanθsinθ.

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Chapter 8 Solutions