If tan A = 3/7, then what is the value of cosec A ?

tanA = \(\frac{3}{7}\)    { given }

By using pythagoras theorem ,

P² + B² = H²

3² + 7² = H²

H² = 49 + 9

H² = 58

H = \(\sqrt { 58}\)

Now we find,

cosecA = \(\frac{H}{P}\)

= \(\frac{√58}{3}\)