If 0- - - - 2 such that - - - - 2 and - - - are in A-P- then the value of - is

The correct option is B 3 If cotα,β,γ are in A.P., Then ⇒α+γ=2β =(π/2 α γ)=2cot(α+γ) #160;(∵α+β+γ=π/2) ⇒α+γ=2α+γαγ 1 ⇒αγ=3 ...

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Sum of n Terms

If 0<α ,β ,...

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If $0 < α, β, γ < \frac{π}{2}$ such that $α + β + γ = \frac{π}{2}$ and $cot α, cot β, cot γ$ are in A.P., then the value of $cot α cot γ$ is

1

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3

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{cos}^{2} β

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None of these

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