. 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
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 1E
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