1. Which of the following is equivalent to cos 27 cos + sin 27 sin 7? cos cos 4 sin sin * 4 2. Which of the following is equivalent to sin 4a? O 4sin a cos* 2a 4 sin a cos a cos 2a 4 sin a cos a 4 sin a cos 2a

1. Which of the following is equivalent to cos 27 cos + sin 27 sin 7? cos cos 4 sin sin * 4 2. Which of the following is equivalent to sin 4a? O 4sin a cos* 2a 4 sin a cos a cos 2a 4 sin a cos a 4 sin a cos 2a

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°.

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Question

Multiple Choice.

1. Which of the following is equivalent to cos 27 cos + sin 27 sin 7?
cos
cos 4
sin
sin
4
2. Which of the following is equivalent to sin 4a?
O 4sin a cos* 2a
4 sin a cos a cos 2a
4 sin a cos' a
O 4 sin a cos 2a

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