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Q 86.

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Precalculus Mathematics for Calculus

Found in: Page 544

Book edition 7th Edition

Author(s) James Stewart, Lothar Redlin, Saleem Watson

Pages 948 pages

ISBN 9781337067508

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Short Answer

Proving Identities
Verify the identity

The expression is an identity.

See the step by step solution

Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1. Given information

An expression

Step 2. Concept used

For such a question, split the expression into two halves, LHS and RHS. Separate them and make them easier to understand. If the outcomes are the same, it's an identity.

Step 3. Calculation

Now, simplify RHS of

Multiply and divide by

LHS of the equation is

Both RHS and LHS are equal. Hence it is an identity

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