Math, asked by shriyansreddy, 8 months ago

If tan θ₁= kcot θ₂, then cos (θ₁-θ₂) /cos(θ₁+θ₂) =? ​

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Answered by aratisikdar7
2

tan θ₁= kcot θ₂, then cos (θ₁-θ₂) /cos(θ₁+θ₂) =

1+K/1-K

[we have to put sinθ₁sinθ₂ = Kcosθ₁cosθ₂]

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