4. 334 Given that tan x= evaluate tan2x . "
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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Pls help ASAP. Pls do both of the asked questions.
Transcribed Image Text:4.
3
Given that tan x=
4
evaluate tan 2x .
Transcribed Image Text:2.
Prove the following identity:
sin (x+y) sin(x-y)=cos² y-
X
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