$$\cot^{2}{\left (a \right )} - 1$$
Объединение рациональных выражений
[src] 2/pi - 2*a\
-1 + tan |--------|
\ 2 /
$$\tan^{2}{\left (\frac{1}{2} \left(- 2 a + \pi\right) \right )} - 1$$
$$\cot^{2}{\left (a \right )} - 1$$
$$\cot^{2}{\left (a \right )} - 1$$
2/pi \ sin(2*a)
-1 + tan |-- - a| - -------- + sin(2*a)
\2 / 1
$$- \sin{\left (2 a \right )} + \sin{\left (2 a \right )} + \tan^{2}{\left (- a + \frac{\pi}{2} \right )} - 1$$
(1 + cot(a))*(-1 + cot(a))
$$\left(\cot{\left (a \right )} - 1\right) \left(\cot{\left (a \right )} + 1\right)$$
$$\cot^{2}{\left (a \right )} - 1$$
Тригонометрическая часть
[src]$$-1 + \frac{1}{\tan^{2}{\left (a \right )}}$$
2
(zoo - tan(a))
-1 + -----------------
2
(1 + zoo*tan(a))
$$\frac{\left(\tilde{\infty} - \tan{\left (a \right )}\right)^{2}}{\left(\tilde{\infty} \tan{\left (a \right )} + 1\right)^{2}} - 1$$
Рациональный знаменатель
[src]$$\cot^{2}{\left (a \right )} - 1$$