Prove that: (cosecθ - sinθ)(secθ - cosθ) =
Taking L.H.S
= (cosecθ - sinθ)(secθ - cosθ)
We know, sin2θ + cos2θ = 1
Therefore,
Taking R.H.S
[as sin2θ + cos2θ = 1]
LHS = RHS
Hence, Proved.