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SIZIF [17.4K]
3 years ago
11

Given: Sine (A) = four-fifths, StartFraction pi Over 2 EndFraction < A < Pi and Sine (B) = StartFraction negative 2 StartR

oot 5 EndRoot Over 5 EndFraction, pi, Pi < B < StartFraction 3 pi Over 2 EndFraction
What is the value of cos(A – B)?

Negative StartFraction 2 StartRoot 5 EndRoot Over 25 EndFraction
Negative StartFraction StartRoot 5 EndRoot Over 5 EndFraction
StartFraction 2 StartRoot 5 EndRoot Over 5 EndFraction
StartFraction 11 StartRoot 5 EndRoot Over 25 EndFraction

Mathematics
2 answers:
ELEN [110]3 years ago
8 0

Answer:

D

Step-by-step explanation:

Did test(edge 2020)

Marianna [84]3 years ago
4 0

Answer:

d

Step-by-step explanation:

edge 2020

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3 0
3 years ago
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8 0
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