1+cot²θ = ....... 1) tan²θ , 2) cos²θ , 3) cosec²θ , 4) sec²θ ans this question
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- 3) cosec² ∅ is the correct answer.
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1+cot²θ = cosec²θ
We know from trigonometric identity
⠀cosec²θ – cot²θ = 1
=⟩ 1+cot²θ = cosec²θ
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