Evaluate the integral using any appropriate algebraic method $or$ trigonometric identity.

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(cscx-tanx{)}^{2}dx$

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(cscx-tanx{)}^{2}dx=$

$(Use$ parentheses $to$ clearly denote the argument $of$ each function.$)$