Подстановка условия
[src]$$\tan{\left(a \right)}$$
$$\tan{\left(a \right)}$$
$$\tan{\left((3) \right)}$$
$$\tan{\left(3 \right)}$$
Тригонометрическая часть
[src]$$\frac{\sec{\left(a \right)}}{\csc{\left(a \right)}}$$
sec(a)
-----------
/ pi\
sec|a - --|
\ 2 /
$$\frac{\sec{\left(a \right)}}{\sec{\left(a - \frac{\pi}{2} \right)}}$$
/pi \
csc|-- - a|
\2 /
-----------
csc(a)
$$\frac{\csc{\left(- a + \frac{\pi}{2} \right)}}{\csc{\left(a \right)}}$$
$$\frac{\sin{\left(a \right)}}{\cos{\left(a \right)}}$$
$$\frac{1}{\cot{\left(a \right)}}$$
/ pi\
cos|a - --|
\ 2 /
-----------
cos(a)
$$\frac{\cos{\left(a - \frac{\pi}{2} \right)}}{\cos{\left(a \right)}}$$
2
2*sin (a)
---------
sin(2*a)
$$\frac{2 \sin^{2}{\left(a \right)}}{\sin{\left(2 a \right)}}$$