Mathematics, 18.12.2020 20:00, emanuelmorales1515
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
Answers: 1
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Answers: 1
Given: SIn(A)= 4/5 ,pi/2 < A< pi and sin(B)= -2square5/5, pi < B < 3pi/2
What is the va...
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