Prove each of the following identities. 1- tan x/ 1+ tan x = 1- sin 2x / cos x
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter5: Identities And Formulas
Section5.3: Double-angle Formulas
Problem 48PS: Prove each of the following identities. cos2=1tan21+tan2
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Prove each of the following identities.
1- tan x/ 1+ tan x = 1- sin 2x / cos x
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