Use the identities cos 20 = 1 – 2 sin? 0 = 2 cos? x – 1 to help evaluate the integrals. | NOTE: Enter the exact answers. sin? dx +C 2 cos - dx CoS 2 +C

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 63E
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Use the identities cos 20 =1– 2 sin? 0 = 2 cos? x – 1
to help evaluate the integrals.
%3D
NOTE: Enter the exact answers.
sin?
dx
+C
cos?
dx
+C
2
Transcribed Image Text:Use the identities cos 20 =1– 2 sin? 0 = 2 cos? x – 1 to help evaluate the integrals. %3D NOTE: Enter the exact answers. sin? dx +C cos? dx +C 2
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