28. cota =and cscß = 24, a and ß in quadrant I =
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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I need help with last on question 28
Transcribed Image Text:(a) sin(a + B)
(b) cos (a + B)
(c) tan (a + B)
(d) The quadrant containing a + B
21. sina = and sinB = 3, a and ß in quadrant I
and cos
‚ œ and ß in quadrant II
23. sin a = -and cosß =, a in quadrant III and B
in quadrant I
22. cosa =
24. cosa =
in quadrant I
and sinB = 3, a in quadrant II and B
=
25. cosa = and cos ß =
in quadrant IV
26. tana and cosß=
quadrant III
27. tan a =
=
28. cota = and csc ß
13, a in quadrant III and B
-1/2 and secß = -11, a and ß in quadrant II
=
-, a in quadrant I and ß in
24,
a and ß in quadrant I
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