Exercises 1. Find the value that makes each statement true: sin 6 - cos 32° sin 42° - cosx a. b. a=90-32 58 cos = sin (0+20°) go-0040 70-20 35-8 C. d. cos x = sin (x-30°)
Exercises 1. Find the value that makes each statement true: sin 6 - cos 32° sin 42° - cosx a. b. a=90-32 58 cos = sin (0+20°) go-0040 70-20 35-8 C. d. cos x = sin (x-30°)
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Transcribed Image Text:Exercises
1.
Find the value that makes each statement true:
b.
sin 42° = cos x
a.
sin e = cos 32°
a=90-32
=58
cos 0 - sin (0+20°)
C.
d.
cos x = sin (x- 30°)
T0-20
35=0
In right triangle ABC with the right angle at C, sin A = 2x+0.1 and cos B = 4x-0.7.
Determine and state the value of x. Explain your answer.
Explain why cosx sin(90-x) for x such that 0 <x<90.
8
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