Question

Cot^3t/csct = cost(csc^2t-1)

Answer 1

We have to try to verify the identity --
`(Cot^3t)/(csct) = cost(csc^2t-1)`


`cost(csc^2t - 1)`


`cost(cot^2t)`


`cost( (cos^2t)/(sin^2t) )`


`(cos^3t)/(sin^2t)`


`sin^2t \\eq csct`