Question

How do you verify the identify `secthetacottheta=csctheta`?

Answer 1

`L.H.S.=R.H.S.`

Explanation:

`secthetacottheta=csctheta`
`L.H.S=`
`1/costheta .costheta/sintheta`
`=1/sintheta`

`=csctheta`

Hence
`L.H.S.=R.H.S.`