Let a and B be first quadrant angles with cos(@) = V5 and sin(B) : V3 = 4 Find cos(a + B). Enter exact answer, or round to 4 decimals.
Let a and B be first quadrant angles with cos(@) = V5 and sin(B) : V3 = 4 Find cos(a + B). Enter exact answer, or round to 4 decimals.
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter67: Analysis Of Trigonometric Functions
Section: Chapter Questions
Problem 51A
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![Let a and B be first quadrant angles with cos(a)
V5
and sin(B)
V3
Find cos(a + B).
Enter exact answer, or round to 4 decimals.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F22200bd1-2e97-40bb-9033-ecbc3d546fb9%2Fac4fc187-6c14-4e57-b90c-971d7819b414%2F1w1g82_processed.png&w=3840&q=75)
Transcribed Image Text:Let a and B be first quadrant angles with cos(a)
V5
and sin(B)
V3
Find cos(a + B).
Enter exact answer, or round to 4 decimals.
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