Question

1/cot^A+1/1+tan^2A=1/1-sin^2A-1/cosec^A

Answer 1

Answer:

1+cot^2 = cosec^2

1+tan^2 = sec^2

(1/cosec^2)/sec^2 = 1/-sin^2/cosec^2

L.H.S = 1/cosec^2 = sin^2

sin^2/sec^2

sin^2/1/cos^2

= sin^2cos^2

sin^2(1-sin^2)

sin^2 - sin^4

R.H.S =

1/ -sin^2 x sin^2/1

= -1