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# If (fg)(a) = 0, then f(a) must be 0

ISBN: 9780321758934 421

## Solution for problem 83 Chapter 2.3

Intermediate Algebra for College Students | 6th Edition

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Intermediate Algebra for College Students | 6th Edition

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Problem 83

If (fg)(a) = 0, then f(a) must be 0.

Step-by-Step Solution:
Step 1 of 3

Derivatives of Trig Functions:  In general, sinx)=cosx '  In general, cosx )=−sinx ' 2 1  In general, tanx )=sec x= 2 (you can derive this cos x using the trig and quotient rules)  In general, secx )=tanx∗secx (you can derive...

Step 2 of 3

Step 3 of 3

##### ISBN: 9780321758934

This full solution covers the following key subjects: . This expansive textbook survival guide covers 74 chapters, and 7519 solutions. The full step-by-step solution to problem: 83 from chapter: 2.3 was answered by , our top Math solution expert on 03/14/18, 07:37PM. Intermediate Algebra for College Students was written by and is associated to the ISBN: 9780321758934. The answer to “If (fg)(a) = 0, then f(a) must be 0.” is broken down into a number of easy to follow steps, and 9 words. This textbook survival guide was created for the textbook: Intermediate Algebra for College Students, edition: 6. Since the solution to 83 from 2.3 chapter was answered, more than 220 students have viewed the full step-by-step answer.

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