Question

The value of cosA = 9/41, find Cot A.​

Answer 1

Answer:

CotA=9/40

Step-by-step explanation:

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Answer 2

Answer:

9/40

Step-by-step explanation:

Cos A = 9/41

= b/h

Let b be 9x and h be 41x

By pythagoras theorem,

H²=B²+P²

P²= H²-B²

= (41x)²-(9x)²

= 1681x²-81x²

= 1600x²

P²=1600x²

√P=√1600x

P=40x

Cot=b/p

CotA= 9x/40x

=9/40