13. Write the expression as a single trigonometric function. cos5x cosx - sin5x sinx Select the correct answer. a. cos2x b. cos8x C. cos6x d. cos9x e. cos7x 14. From the list below find the expression, identical for the given. 1-tant 1 + tan t Select the correct answer. 1- sin 2t a. Cost 1 - sin 2t b. Cos 2t 1 - cos 2t C. si n 2t 1 + sin 2t d. si nt 1 - sin t e. COst
13. Write the expression as a single trigonometric function. cos5x cosx - sin5x sinx Select the correct answer. a. cos2x b. cos8x C. cos6x d. cos9x e. cos7x 14. From the list below find the expression, identical for the given. 1-tant 1 + tan t Select the correct answer. 1- sin 2t a. Cost 1 - sin 2t b. Cos 2t 1 - cos 2t C. si n 2t 1 + sin 2t d. si nt 1 - sin t e. COst
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:13. Write the expression as a single trigonometric function.
cos5x cosx - sin5x sinx
Select the correct answer.
a.
cos2x
b.
cos8x
C.
cos6x
d.
cos9x
e.
cos7x
Transcribed Image Text:14. From the list below find the expression, identical for the given.
1-tant
1 + tan t
Select the correct answer.
1- sin 2t
a.
Cost
1 - sin 2t
b.
Cos 2t
1 - cos 2t
C.
si n 2t
1 + sin 2t
d.
si nt
1 - sin t
e.
COst
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