15 0<0 < –, find the exact value of each of the following. 17 TC If sin 0 = (a) sin (20) (b) cos (20) (c) sin (d) cos (e) tan 20 2 (f) tan |

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 70E
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Question
15
If sin 0:
17
> 0 > 0
2
find the exact value of each of the following.
%3D
(a) sin (20)
(b) cos (20) (c) sin
(d) cos
(e) tan 20
(f) tan
2.
2.
2.
(a) sin (20) =|
%3D
(Type an exact answer, using radicals as needed.)
(b) cos (20) =|
(Type an exact answer, using radicals as needed.)
(c) sin
(Type an exact answer, using radicals as needed.)
(d) cos - =
%3D
2.
(Type an exact answer, using radicals as needed.)
(e) tan 20 =|
(Type an exact answer, using radicals as needed.)
(f) tan
(Type an exact answer, using radicals as needed.)
Transcribed Image Text:15 If sin 0: 17 > 0 > 0 2 find the exact value of each of the following. %3D (a) sin (20) (b) cos (20) (c) sin (d) cos (e) tan 20 (f) tan 2. 2. 2. (a) sin (20) =| %3D (Type an exact answer, using radicals as needed.) (b) cos (20) =| (Type an exact answer, using radicals as needed.) (c) sin (Type an exact answer, using radicals as needed.) (d) cos - = %3D 2. (Type an exact answer, using radicals as needed.) (e) tan 20 =| (Type an exact answer, using radicals as needed.) (f) tan (Type an exact answer, using radicals as needed.)
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