Use the information given about the angle 0, cot 0 = - 4, sec 0<0,0s0<2n, to find the exact values of the following. (a) sin (20), (b) cos (20), (c) sin 5, and (d) cos O IN

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 16E
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find the exact values of the following a-d

Use the information given about the angle 0, cot 0 = - 4, sec 0<0, 0s0<2x, to find the exact values of the
following.
0.
(a) sin (20), (b) cos (20), (c) sin
0.
and (d) cos
2'
渊 三一
(a) sin (20) = (Type an exact answer, using radicals as needed.)
%3D
Transcribed Image Text:Use the information given about the angle 0, cot 0 = - 4, sec 0<0, 0s0<2x, to find the exact values of the following. 0. (a) sin (20), (b) cos (20), (c) sin 0. and (d) cos 2' 渊 三一 (a) sin (20) = (Type an exact answer, using radicals as needed.) %3D
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