TRIGONOMETRIC IDENTITIES AND EQUATIONSМахVerifying a trigonometric identityEspañolComplete the proof of the identity by choosing the Rule that justifies each stepcos2x-sin2x 2 cos2x-1COS XTo see a detailed description of a Rule, select the More Information Button to the right of the Rule.RuleStatement22COS xsin x(- cor)22AaRule?= COS xcOS xRuleAlgebraReciprocalQuotientPythagoreanOdd/EvenX TRIGONOMETRIC IDENTITIES AND EQUATIONSMaxVerifying a trigonometric identityEspañolComplete the proof of the identity by choosing the Rule that justifies each step.cos2x- sin2x 2 cos2x-1To see a detailed description of a Rule, select the More Information Button to the right of the RuleRuleStatement2cOS x2sin x(1- cosx)22AaRule?COS Xcosx 1cos xRule ?= COS2 cos x - 1Rule ?_?X

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Asked Oct 5, 2019
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TRIGONOMETRIC IDENTITIES AND EQUATIONS
Мах
Verifying a trigonometric identity
Español
Complete the proof of the identity by choosing the Rule that justifies each step
cos2x-sin2x 2 cos2x-1
COS X
To see a detailed description of a Rule, select the More Information Button to the right of the Rule.
Rule
Statement
2
2
COS x
sin x
(- cor)
2
2
Aa
Rule?
= COS x
cOS x
Rule
Algebra
Reciprocal
Quotient
Pythagorean
Odd/Even
X
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TRIGONOMETRIC IDENTITIES AND EQUATIONS Мах Verifying a trigonometric identity Español Complete the proof of the identity by choosing the Rule that justifies each step cos2x-sin2x 2 cos2x-1 COS X To see a detailed description of a Rule, select the More Information Button to the right of the Rule. Rule Statement 2 2 COS x sin x (- cor) 2 2 Aa Rule? = COS x cOS x Rule Algebra Reciprocal Quotient Pythagorean Odd/Even X

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TRIGONOMETRIC IDENTITIES AND EQUATIONS
Max
Verifying a trigonometric identity
Español
Complete the proof of the identity by choosing the Rule that justifies each step.
cos2x- sin2x 2 cos2x-1
To see a detailed description of a Rule, select the More Information Button to the right of the Rule
Rule
Statement
2
cOS x
2
sin x
(1- cosx)
2
2
Aa
Rule?
COS X
cosx 1
cos x
Rule ?
= COS
2 cos x - 1
Rule ?
_
?
X
help_outline

Image Transcriptionclose

TRIGONOMETRIC IDENTITIES AND EQUATIONS Max Verifying a trigonometric identity Español Complete the proof of the identity by choosing the Rule that justifies each step. cos2x- sin2x 2 cos2x-1 To see a detailed description of a Rule, select the More Information Button to the right of the Rule Rule Statement 2 cOS x 2 sin x (1- cosx) 2 2 Aa Rule? COS X cosx 1 cos x Rule ? = COS 2 cos x - 1 Rule ? _ ? X

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Expert Answer

Step 1

Given,

cos x-sin2
2 cos2 x -1
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cos x-sin2 2 cos2 x -1

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Step 2

Proving the statement by using t...

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