Topic: Sum and Difference, Double Angle, Half Angle Identities Direction: Verify the following identities sin ² (x/2) = (tan x sin x)/ 2tan x = sin ² (x/2) •tan x cot x = - 2cot 2x •(2sin x - sin 2x)/(2sin x + sin 2x ) = tan ² (x/2)
Topic: Sum and Difference, Double Angle, Half Angle Identities Direction: Verify the following identities sin ² (x/2) = (tan x sin x)/ 2tan x = sin ² (x/2) •tan x cot x = - 2cot 2x •(2sin x - sin 2x)/(2sin x + sin 2x ) = tan ² (x/2)
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 25E
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