Verify the identity. csc² x + cot² x=2 csc ² x-1 2 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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Verify the identity.
csc² x + cot² x=2 csc ² x --
CSC
x-1
Which of the following four statements establishes the identity?
A. csc ² x + cot² x= csc ²x + (1 - csc ²x) = 2 csc ² x - 1
OB. csc ² x + cot² x=csc²x + (csc ²x + 1) = 2csc²x-1
OC. csc ² x + cot² x=1=2 csc ² x - 1
OD. csc ² x + cot² x= csc ²x + (csc²x - 1) = 2 csc ² x - 1
Transcribed Image Text:Verify the identity. csc² x + cot² x=2 csc ² x -- CSC x-1 Which of the following four statements establishes the identity? A. csc ² x + cot² x= csc ²x + (1 - csc ²x) = 2 csc ² x - 1 OB. csc ² x + cot² x=csc²x + (csc ²x + 1) = 2csc²x-1 OC. csc ² x + cot² x=1=2 csc ² x - 1 OD. csc ² x + cot² x= csc ²x + (csc²x - 1) = 2 csc ² x - 1
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