   Chapter 8.5, Problem 11SWU ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919

#### Solutions

Chapter
Section ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919
Textbook Problem
1 views

# In Exercises 9-16, simplify the expression using the trigonometric identities listed in Section 8.2. cos 2 x ( sec 2 x − 1 )

To determine

To calculate: The simplest form of trigonometrical expression of cos2x(sec2x1).

Explanation

Given Information:

The provided trigonometrical expression is cos2x(sec2x1).

Formula used:

The trigonometrical identities:

sec2θ1=tan2θ

And,

tanθ=sinθcosθ

Consider the provided expression:

cos2x(sec2x1)

Recall the trigonometrical identities:

sec2θ1=tan2θ

And,

tanθ=sinθcosθ

Use the above identities to simplify the provided trigonometrical expression

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