(Q4)
i. If cosec θ =
25
7
, then find cot θ.
Given cosec θ =
25
7
We know that cosec
2
θ – cot
2
θ = 1
cot
2
θ =
2
θ – 1
cot θ= √
2
θ – 1
= √ (
)
2
- 1
= √
-
1
1
= √
625 -
49
= √
∵ cot θ =
Clear