Question

if cos A =3/5,find 9 cot^2 A - 1

1 mark question

❌NO SPAM ❌

BEST ANSWER WILL BE MARKED AS BRAINLIEST!

Answer 1

cos A= 3/5

so A becomes 53 degree

So cot 53 =3/4

so 9 (3/4)^2 -1

9× 9/16 -1

81/16 -1

81-16)/16

65/16

Answer 2

hey mate!! here is your solution
thank you
and plz mark me as brainliest plzzzzz