Question

How do you simplify the expression `sectcott-cottcost`?

Answer 1

`sectcott-cottcost=sint`

Explanation:

`sectcott-cottcost`

= `1/costxxcost/sint-cost/sintxxcost`

= `1/sint-cos^2t/sint`

= `(1-cos^2t)/sint`

= `sin^2t/sint`

= `sint`