Question

(6) Prove:
1. cos^2+1/1+cot^2=1​

Answer 1

Answer:

yhbkuuyfxzstyggghjj98889999999999999

Answer 2

Answer:

1+cot²x=cosec²x

So, 1/(1+cot²x) =1/cosec²x= sin²x (as sinx=1/cosecx)

So, cos²x+1/(1+cot²x)= cos²x+sin²x=1

Hence, proved.