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Given: SIn(A)= 4/5 ,pi/2 < A< pi and sin(B)= -2square5/5, pi < B < 3pi/2 What is the value of cos(A-B) A. -2square5/25 B. -square5/5 C. 2square5/5 D. 11square5/25

Given: SIn(A)= 4/5 ,pi/2 < A< pi and sin(B)= -2square5/5, pi < B < 3pi/2 What is the value of cos(A-B) A. -2square5/25 B. -square5/5 C. 2square5/5 D. 11square5/25
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Given: SIn(A)= 4/5 ,pi/2 < A< pi and sin(B)= -2square5/5, pi < B < 3pi/2

What is the value of cos(A-B)

A. -2square5/25
B. -square5/5
C. 2square5/5
D. 11square5/25

asked
User Mrwienerdog
by
7.4k points

1 Answer

2 votes
I think is The letter A
answered
User Krishna Srihari
by
7.7k points
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