In the answer box below, type an exact answer only (i.e. no decimals). You do not need to fully simplify/reduce fractions and radical expressions. 15 63 anşi cos B 113 If sin a = with a in quadrant IV and B in quadrant IV, then find 65 cos(a + B). cos(a + B) =
In the answer box below, type an exact answer only (i.e. no decimals). You do not need to fully simplify/reduce fractions and radical expressions. 15 63 anşi cos B 113 If sin a = with a in quadrant IV and B in quadrant IV, then find 65 cos(a + B). cos(a + B) =
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 33E
Related questions
Question
![In the answer box below, type an exact answer only (i.e. no decimals). You do not need to fully
simplify/reduce fractions and radical expressions.
15
If sin a = -
113 aný cos B =
65
63
, with a in quadrant IV and B in quadrant IV, then find
cos(a + B).
cos(a + B) =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F18395f57-75e3-4bdb-980a-ed8850989594%2Fbb9b12a7-f78e-4542-85f9-9e607f80d60e%2Fob2l11u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In the answer box below, type an exact answer only (i.e. no decimals). You do not need to fully
simplify/reduce fractions and radical expressions.
15
If sin a = -
113 aný cos B =
65
63
, with a in quadrant IV and B in quadrant IV, then find
cos(a + B).
cos(a + B) =
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