Answered: 2. Given f(0) = (2 cos 0)² - 3sin²0. 1…

2. Given f(0) = (2 cos 0)² - 3sin²0. 1 a. Show that f(0) = ½ + ½ 7 + - cos cos 20. 2 2 b. Hence, find the exact value of √² 0 ƒ (0) do.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section: Chapter Questions

Problem 21T

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Question

2. Given f(0) = (2 cos 0)² - 3sin²0.
1
a. Show that f(0) = ½ + ½
7
+ - cos
cos 20.
2
2
b. Hence, find the exact value of √² 0 ƒ (0) do.

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