- Evaluate sin 0 if cos 0 = 2/5 and 0 is in quadrant I. Evaluate cos 0 if sin 0 = -1/4 and 0 is in quadrant III.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter9: Real Numbers And Right Triangles
Section9.8: The Sine And Cosine Ratios
Problem 15E
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- Evaluate sin 0 if cos 0 = 2/5 and 0 is in quadrant I.
%3D
- Evaluate cos e if sin 0 = -1/4 and 0 is in quadrant III.
Transcribed Image Text:- Evaluate sin 0 if cos 0 = 2/5 and 0 is in quadrant I. %3D - Evaluate cos e if sin 0 = -1/4 and 0 is in quadrant III.
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