If cosec? = 1.25, then 
= ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 10/11
If cosecϴ = 1.25
⇒ sinϴ = 1/1.25 = 0.8 = 4/5
⇒ cosϴ = [1 - 0.82]½ = 0.6 = 3/5
⇒ cotϴ = 0.6/0.8 = 3/4
⇒ tanϴ = 4/3
⇒ secϴ = 5/3
= 