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Salsk061 [2.6K]
3 years ago
14

You are given that sin(a)=8/17, with a in quadrant ii, and sin(b)=−5/13, with b in quadrant iii. find cos(a−b)

Mathematics
1 answer:
masha68 [24]3 years ago
5 0
1.5 is the answer too your question sir thanks.
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