Suppose that A and B are angles in standard position. Use the given information to find (a) sin (A + B), (b) sin (A - B), (c) tan (A + B), (d) tan (A - B), (e) the quadrant of A+ B, and (f) the quadrant of A - B. cos A = - 12 13 and cos B = - 8 π 17' 2
Suppose that A and B are angles in standard position. Use the given information to find (a) sin (A + B), (b) sin (A - B), (c) tan (A + B), (d) tan (A - B), (e) the quadrant of A+ B, and (f) the quadrant of A - B. cos A = - 12 13 and cos B = - 8 π 17' 2
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:Suppose that A and B are angles in standard position. Use the given information to find (a) sin (A + B), (b) sin (A − B), (c) tan (A + B), (d) tan (A − B), (e) the
quadrant of A + B, and (f) the quadrant of A - B.
cos A =
12
13
and cos B =
8 π
17' 2
<A<T,
T
2
<B<T
(a) sin (A + B) =|
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
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