Démontre l'identité trigonométrique 2 tan x 1+tan² x = sin 2x.

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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Démontre l'identité trigonométrique
2 tan x
1 + tan² x
= sin 2x.
=
Transcribed Image Text:Démontre l'identité trigonométrique 2 tan x 1 + tan² x = sin 2x. =
TU
n cos COS
7
4π
21
-
sin sin
I
4π
21
Transcribed Image Text:TU n cos COS 7 4π 21 - sin sin I 4π 21
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