Math, asked by kodimanikanta13, 7 hours ago

show that cot theta - cot 2 theta= cosec 2 theta

Answers

Answered by mahanteshgejji

0

Answer:

The proof is as follows

Step-by-step explanation:

LHS = cotθ - cot2θ

= (cosθ/sinθ) -(cos2θ/sin2θ)

= (sin2θ cosθ - cos2θ sinθ)/sinθsin2θ

= sin(2θ-θ)/sinθsin2θ

= sinθ/sinθsin2θ

= 1/sin2θ

= cosec2θ

= RHS

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