Question

$\sf \sqrt{ \dfrac{sec \theta - 1}{sec \theta + 1} } + \sqrt{ \dfrac{sec \theta + 1}{sec \theta - 1} } = 2cosec \theta$​

Answer 1

Answer:

refer to attachment

used some properties

sec ∅ = 1 ÷ ( cos ∅ )

1-cos²∅ = sin² ∅

sin ∅ = 1 ÷ ( cosec ∅)