Find cos 2a if 4 sin a - COS a = 3. 2 sin a + COS a
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
Related questions
Question
![Find cos 2a if
4 sin a
-
COS a
= 3.
2 sin
a
+
COS a](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F711781ec-26e6-4044-8e68-517728b6aaa2%2F8fa60aac-b3f7-403d-9f51-a2e442b97e9d%2Fvm62amf_processed.png&w=3840&q=75)
Transcribed Image Text:Find cos 2a if
4 sin a
-
COS a
= 3.
2 sin
a
+
COS a
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