7. Verify the identity 1+cos 2x+2sin² x = 2 1 and <θ<π, find sin- 8. Given tan O 3 2 9. Use half angle identity to find cos 8
7. Verify the identity 1+cos 2x+2sin² x = 2 1 and <θ<π, find sin- 8. Given tan O 3 2 9. Use half angle identity to find cos 8
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
Transcribed Image Text:7. Verify the identity
1+ cos 2x+2 sin? x = 2
8. Given tan O
and
<θ<π , find sin
3
2
Зл
9. Use half angle identity to find cos
8
Transcribed Image Text:3. Verify the identity:
+y)
sin(x
sin xsin y
cot x+ cot y
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