Practicing Success
If cosec θ - cot θ = \(\frac{9}{4}\), then value of cosecθ = ? |
0 \(\frac{97}{44}\) \(\frac{97}{36}\) \(\frac{53}{36}\) |
\(\frac{97}{36}\) |
If cosec θ - cot θ = \(x\), then cosec θ + cot θ = \(\frac{1}{x}\) ATQ, ⇒ cosec θ - cot θ = \(\frac{9}{4}\) ..........(i) ⇒ cosec θ + cot θ = \(\frac{4}{9}\) ..........(ii) (i) + (ii) ⇒ 2 cosec θ = \(\frac{9}{4}\) + \(\frac{4}{9}\) = \(\frac{81+ 16}{36}\) = \(\frac{97}{36}\) ⇒ cosec θ= \(\frac{97}{36}\) |