`h(theta) = 5(theta)sec(theta) + thetatan(theta)`

`h'(theta) = 5sec(theta) + 5thetasec(theta)tan(theta) + tan(theta) + thetasec^2(theta)`

`or, h'(theta) = thetasec(theta)[sec(theta)+5tan(theta)] + [5sec(theta) + tan(theta)]`

``

`h(theta) = 5(theta)sec(theta) + thetatan(theta)`

`h'(theta) = 5sec(theta) + 5thetasec(theta)tan(theta) + tan(theta) + thetasec^2(theta)`

`or, h'(theta) = thetasec(theta)[sec(theta)+5tan(theta)] + [5sec(theta) + tan(theta)]`

``