(5n Explain why the statement "if cos , then -1 COS is true or false.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 74E
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ST
2) Explain why the statement "if cos
2, then cos
*(-)=
is true or false.
3) Solve the following equations over the given interval.
a) 2 sin(8) - 4 =-2 sin(8) over [0,27)
b) 3 tan(0) – 1 = tan(0) over [0°,360°)
Transcribed Image Text:ST 2) Explain why the statement "if cos 2, then cos *(-)= is true or false. 3) Solve the following equations over the given interval. a) 2 sin(8) - 4 =-2 sin(8) over [0,27) b) 3 tan(0) – 1 = tan(0) over [0°,360°)
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