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Q 86.

Expert-verifiedFound in: Page 544

Book edition
7th Edition

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

Pages
948 pages

ISBN
9781337067508

**Proving Identities**

**Verify the identity **

The expression is an identity.

An expression

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.

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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