Calculus
−3excsc(3ex)cot(3ex)-3e^{x}\csc\left(3e^{x}\right)\cot\left(3e^{x}\right)
e3xcsc(3ex)cot(3ex)e^{3x}\csc\left(3e^{x}\right)\cot\left(3e^{x}\right)
3exsec(3ex)tan(3ex)3e^{x}\sec\left(3e^{x}\right)\tan\left(3e^{x}\right)
e3xsec(3ex)tan(3ex)e^{3x}\sec\left(3e^{x}\right)\tan\left(3e^{x}\right)