22. For an angle in the third quadrant, sin t = -3/7. Find cost.

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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22. For an angle in the third quadrant, sint = -3/7. Find cos t.
23. A right triangle has an angle 25 and base 7 inches. Find the other sides and angle.
Transcribed Image Text:22. For an angle in the third quadrant, sint = -3/7. Find cos t. 23. A right triangle has an angle 25 and base 7 inches. Find the other sides and angle.
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