Question

prove that sinx/1-cosx=cotx/2

Answer 1

Answer:cotx/2

Step-by-step explanation:

1. sinx = 2 sin(x/2) cos(x/2) &

2. cos x = 1 - 2 sin^2(x/2)

L.H.S = (2 sin(x/2)cos(x/2))/sin^2(x/2). = cos(x/2) / sin(x/2). = cot x/2 = R.H.S

Answer 2

Answer:

1+cos x/sin x = cot x/2

explanation is given in photo

mark me as brainlist