help !! Is the work shown in the simplification below correct? Explain.

^^^WRONG it says explain why its wrong not correct it
the CORRECT answer would be
No, the simplification is not correct.
Cosecant is the reciprocal of sine, not cosine.
Secant is the reciprocal of cosine, not sine.
The given expression simplifies to cot(t).
The identical answer, you are welcome!
Hope this helps, if so give me a thanks please!!!!