2. Find the value that makes each statement true: a. cos12 = sin e b. sin 2x = cos x sinx = cos (x+38°) d. sin 0 = cos(30+10°) C. %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 28E
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2.
Find the value that makes each statement true:
a.
cos12 = sin 6
b.
sin 2x = cos x
sinx = cos(x+38°)
sin = cos (30+10°)
C.
d.
In right triangle ABC with right angle at C, cos A = 4x –7 and sin B = 2x+13.
Determine and state the value of x. Explain your answer.
3.
Transcribed Image Text:2. Find the value that makes each statement true: a. cos12 = sin 6 b. sin 2x = cos x sinx = cos(x+38°) sin = cos (30+10°) C. d. In right triangle ABC with right angle at C, cos A = 4x –7 and sin B = 2x+13. Determine and state the value of x. Explain your answer. 3.
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