Question

If sin x = 5/7, then cosec x = …………

A) 5/7

B) 7/5

C) 2/5

D) 2/7

Answer 1

Correct option is: B) \(\frac{7}{5}\)

We have 

sin x = \(\frac 57\)

\(\therefore\) cosec x = \(\frac 1{sin \, x} = \frac {1}{\frac 57} = \frac 75\)

Answer 2

Correct option is: B) \(\frac{7}{5}\)