18. If sin >0 and cos <0, then must be in quadrant (a) I (b) II (c) III (d) IV (e) none of these

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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18. If sin >0 and cose<0, then must be in quadrant
(a) I
(b) II
(c) III
(d) IV
(e) none of these
Transcribed Image Text:18. If sin >0 and cose<0, then must be in quadrant (a) I (b) II (c) III (d) IV (e) none of these
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