Question

If sinA=
$\frac{3}{4}$
calculate cotA and cosecA​

Answer 1

Answer:

If Sin A = 3/4

Then Sin A = 1/cosec A

   Cosec A = 1/sin A

   => Cosec A = 1/(3/4) = 4/3 (Ans.)

Then, Cos A = √(1 - sin² A )

          = √(1 - (3/4)²)

          = √(7/16)

Now Cot A = Cos A/Sin A

           = (√7/4) / (3/4)

           = √7 / 3 (Ans.)

        Hope it helps

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