Evaluate the expression without using a calculator. (Assume the variable represents a positive number.) cos(2 cos(5x)) O 51x2-1 O 50x2+1 48x2- 1 50x2-1 O 51x²+1

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
Section5.1: Proving Identities
Problem 1PS: An identity is a Statement that two expressions are for all replacements of the variable for which...
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Evaluate the expression without using a calculator. (Assume the variable represents a positive number.) cos[2 * cos^-1(5x)]
Evaluate the expression without using a calculator. (Assume the variable represents a
positive number.)
cos(2•cos(5x)}
O 51x2-1
O 50x2+1
O 48x2- 1
50x2-1
O 51x+1
Transcribed Image Text:Evaluate the expression without using a calculator. (Assume the variable represents a positive number.) cos(2•cos(5x)} O 51x2-1 O 50x2+1 O 48x2- 1 50x2-1 O 51x+1
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