For positive acute angles A and B, it is known that sin A = 1 and 15 17 cos B Find the value of cos(A - B) in simplest form. = 21 29.

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter1: The Six Trigonometric Functions
Section1.3: Definition I: Trigonometric Functions
Problem 22PS
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For positive acute angles A and B, it is known that sin A
Find the value of cos(A - B) in simplest form.
=
cos B
21
29.
Answer:
E
o
$
P
5
Submit Answer
&
17
15 and
+
attempt 1 out or
Transcribed Image Text:For positive acute angles A and B, it is known that sin A Find the value of cos(A - B) in simplest form. = cos B 21 29. Answer: E o $ P 5 Submit Answer & 17 15 and + attempt 1 out or
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