Explanation Given information: sin 2 ( θ 2 ) = 1 − cos θ 2 Formula used: cos 2 x = 1 − 2 sin 2 x Calculation: We know that cos 2 x = 1 − 2 sin 2 x From the above formula 2 sin 2 x = 1 − cos 2 x

CALCULUS:EARLY TRANS.-SAPLINGPLUS

4th Edition

ISBN: 9781319279813

Author: Rogawski

Publisher: MAC HIGHER

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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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Question

Chapter 1.4, Problem 49E

To determine

To derive the identity sin2(θ2)=1−cosθ2.

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Chapter 1.4, Problem 48E

Chapter 1.4, Problem 50E

Chapter 1 Solutions

CALCULUS:EARLY TRANS.-SAPLINGPLUS

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To derive the identity sin 2 ( θ 2 ) = 1 − cos θ 2 .

Solution Summary: The author explains the formula used to derive the identity mathrmsin2(theta

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To derive the identity sin2(θ2)=1−cosθ2.

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Chapter 1 Solutions