if Cos A equal to 3 by 5 find 9 cot square A minus one
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Step-by-step explanation:
hola mate here is ur answer
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Answered by
1
Step-by-step explanation:
cos a=3/5
adjacent side=3k
hypotenuse=5k
hence opposite side=4k
cot a =3/4
cot^2
a= 9/16
9cot^2 a=81/16
9cot^2 a -1 = 81/16-1
=65/16
=4.0625
PLEASE MARK ME AS THE BRAINLIEST
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