Question

Prove that -
Sino + coseco)"
=
Simlo + cosez o te​

Answer 1

(a+b)^2= a^2+b^2+2ab

since sin is the reciprocal of cosec so both cancel in 2 sin 0 cosec 0 = 2 sin @× 1/ sin @

Hope it helps,plz follow me

Thanks plzz