CSc t j) sec 2t = CSc t - 2 sin t k) csc 20 = =(sec 0) (cse 0) I+ tan x TT sin 2t Cos 2t g) 1- tan x tan 1) sec t = 4 sin † COs t

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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11. Prove each identity.
T
CSc t
j)
sec 2t =
Csc t - 2 sin t
(sec ) (cse )
2
k)
CSc 20
1 + tan xX
g)
TT
sin 2t
Cos 2t
tan
1)
sec t =
- tan x
sin t
COS t
Transcribed Image Text:11. Prove each identity. T CSc t j) sec 2t = Csc t - 2 sin t (sec ) (cse ) 2 k) CSc 20 1 + tan xX g) TT sin 2t Cos 2t tan 1) sec t = - tan x sin t COS t
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