Math, asked by leena2005, 5 months ago

any one answer to this​

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Answers

Answered by GangsterTeddy
4

Step-by-step explanation:

As we know that

cot²θ=cos² θ/sin² θ

according to question

cos² θ-1/sin² θ. ( cos² θ-1=-sin² θ)

-sin² θ/sin² θ

-1

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