if Cos A equal to 3 by 5 find 9 cos square A minus one
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I think this is the answer
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cos A = 3/5 = B/H
9 cos A ^2 = 9*(3/5)^2
= 9*9/25-1
= 2.24
9 cos A ^2 = 9*(3/5)^2
= 9*9/25-1
= 2.24
varsha1409:
yeah sure
please ask questions related your study
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