Assume that 0 < x < pi/2 and 0 < y< pi/2
Find the exact value of cos(x-y) if cos x...
Mathematics, 19.05.2020 01:59 lovemusic4
Assume that 0 < x < pi/2 and 0 < y< pi/2
Find the exact value of cos(x-y) if cos x=3/5
and cos y = 4/5
a. 25/24
b. -25/24
c. 24/25
d. -24/25
Answers: 1
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