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)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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