Verify the identity. (Simplify at each step.) 3 sin? a – 3 sint a = 3 cos? a - 3 cos“ a 3 sin? a – 3 sin a = 3 sin? a(1 - - (3 -| )(cos² a) = 3 cos? a - 3 cos4 a
Verify the identity. (Simplify at each step.) 3 sin? a – 3 sint a = 3 cos? a - 3 cos“ a 3 sin? a – 3 sin a = 3 sin? a(1 - - (3 -| )(cos² a) = 3 cos? a - 3 cos4 a
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 3RE
Related questions
Question
Verify the identity. (Simplify at each step.)
![Verify the identity. (Simplify at each step.)
3 sin? a
3 sin" α =
3 cos? a - 3 cos4 a
3 sin? α-3 sinf α3
sin? a(1
3 sin? a - 3 sin4 a =
- (3-
(cos2
= 3 cos? a - 3 cos4 a](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd866b8f-4235-4ebb-95b2-5e7c81feb65c%2Fafd332e9-6af0-4876-a52b-afdda0801e42%2Ful89kz_processed.png&w=3840&q=75)
Transcribed Image Text:Verify the identity. (Simplify at each step.)
3 sin? a
3 sin" α =
3 cos? a - 3 cos4 a
3 sin? α-3 sinf α3
sin? a(1
3 sin? a - 3 sin4 a =
- (3-
(cos2
= 3 cos? a - 3 cos4 a
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