Question

Cos² theta ( cosec² theta - cot² theta )= cos² theta

Answer 1

Solution :-

We have to show

cos²∅ ( cosec²∅ - cot ²∅ ) = cos²∅

Now we know that

cosec²∅ = cot²∅ + 1

→ cosec²∅ - cot²∅ = 1

Replace this in The equation

→ cos²∅ ( 1 ) = cos²∅

→ cos²∅ = cos²∅

LHS = RHS