//D Complete the proof of the identity by choosing the Rule that justifies each step. cosx(1+tan’x)= sec. To see a detailed description of Rule, select the More Information Button to the right of the Rule. Statement COS.X = x(1 + tan² tan2x) cos.x (sec'x) 1 secx (sec's) = secx Rule Rule? Rule? Rule?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 26E
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Complete the proof of the identity by choosing the Rule that justifies each step.
cosx(1+tan
tan2x)= se
sec.
To see a detailed description of Rule, select the More Information Button to the right of the Rule.
Statement
COS.X
tan2x)
(1 + tan
= COSX
x (sec²x)
1
secx
= secx
Continue
Rule
Rule?
-(sec²x)
Rule?
X
Rule?
Transcribed Image Text:Complete the proof of the identity by choosing the Rule that justifies each step. cosx(1+tan tan2x)= se sec. To see a detailed description of Rule, select the More Information Button to the right of the Rule. Statement COS.X tan2x) (1 + tan = COSX x (sec²x) 1 secx = secx Continue Rule Rule? -(sec²x) Rule? X Rule?
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