Question

Plz answer if possible...​

Answer 1

Step-by-step explanation:

(cosec(θ)-cot(θ))²

(1/sin(θ)-(cos(θ)/sin(θ)))²

(1-cos(θ))²/sin²(θ)

(1-cos(θ))²/1-cos²(θ).....as sin²(θ)+cos²(θ)=1

now a²-b²=(a+b)(a-b)

(1-cos(θ))²/(1+cos(θ))(1-cos(θ))

1-cos(θ)/1+cos(θ)

hence proved

hope it helps u

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