. If csc A = -4 and sec A > 0, which correctly gives the exact values of cot A and cos A? A. cotA= -√15; cos A = B. cotA= -√15; cos A = C. cotA=- √15 15 √15 D. cotA=-—. ¡COS A = -; COS A = 4√15 15 √15 4 4/15 15 √15
. If csc A = -4 and sec A > 0, which correctly gives the exact values of cot A and cos A? A. cotA= -√15; cos A = B. cotA= -√15; cos A = C. cotA=- √15 15 √15 D. cotA=-—. ¡COS A = -; COS A = 4√15 15 √15 4 4/15 15 √15
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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Transcribed Image Text:. If csc A = -4 and sec A > 0, which correctly
gives the exact values of cot A and cos A?
A. cotA= -√√15; cos A =
B. cotA= -√√15; cos A =
C. cotA= –
√15
15
√15
15
D. cotA= –.
COS A =
COS A =
4√15
ªát
√15
4/15
4
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