[tex] \frac{ \csc(a) + \csc(a) \cot(a) }{ \sec(a) {}^{2} - \tan(a) {}^{2} } [/tex]
Matematika
nsrnbrf
Pertanyaan
[tex] \frac{ \csc(a) + \csc(a) \cot(a) }{ \sec(a) {}^{2} - \tan(a) {}^{2} } [/tex]
