   Chapter 8.2, Problem 57E ### 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

# Solving a Trigonometric Equation In Exercises 49-60, solve the equation for θ . Assume 0 ≤ θ ≤ 2 π . See Example 6. cos θ = − 2 2

To determine

To calculate: The value of θ in the trigonometric equation cosθ=22.

Explanation

Given Information:

The trigonometric equation is cosθ=22

Formula used:

Trigonometric values of Common angles:

 θ(degrees) 0° 30° 45° 60° 90° 180° 270° θ(radians) 0 π6 π4 π3 π2 π 3π2 sinθ 0 12 22 32 1 0 −1 cosθ 1 32 22 12

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