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Q 86.

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Precalculus Mathematics for Calculus
Found in: Page 544
Precalculus Mathematics for Calculus

Precalculus Mathematics for Calculus

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

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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