2. Which set of primary trigonometric ratios is correct for the angle 225°? a. sin 225° = 1 cos 225° 1 C. sin 225° = - 1 , cos 225° V2 tan 225° = 1 tan 225° = 1 b. sin 225° = -- 1 , cos 225° = d. sin 225° = 1 cos 225° tan 225° = -1 tan 225° = -1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 20E
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2. Which set of primary trigonometric ratios is correct for the angle 225°?
1
sin 225° = , cos 225°
а.
1
с.
sin 225° =
=, cos 225° =
tan 225° = 1
tan 225° = 1
b.
sin 225° =
d.
sin 225° = -
1
cos 225° =
cos 225° =
tan 225° = -1
tan 225° = -1
Transcribed Image Text:2. Which set of primary trigonometric ratios is correct for the angle 225°? 1 sin 225° = , cos 225° а. 1 с. sin 225° = =, cos 225° = tan 225° = 1 tan 225° = 1 b. sin 225° = d. sin 225° = - 1 cos 225° = cos 225° = tan 225° = -1 tan 225° = -1
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