2. Write a proper L.S. R.S. proof for each of the following trigonometric relations. a. cos²x+cot² x + sin²x = = csc² x b. 2 cos²x = cos 2x + 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 37E
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2. Write a proper L.S. R.S. proof for each of the following trigonometric relations.
a. cos²x+cot² x + sin²x =
csc² x
b. 2 cos²x = cos 2x + 1
Transcribed Image Text:2. Write a proper L.S. R.S. proof for each of the following trigonometric relations. a. cos²x+cot² x + sin²x = csc² x b. 2 cos²x = cos 2x + 1
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