$$\cos^{2}{\left (a \right )}$$
-sin(a)^2 + cos(2*pi + a)*sin(pi/2 + a) + cos((3*pi)/2 - a)*sin(a - 3*pi)
Рациональный знаменатель
[src]$$\cos^{2}{\left (a \right )}$$
Объединение рациональных выражений
[src] 2 /pi + 2*a\ /-2*a + 3*pi\
- sin (a) + cos(a)*sin|--------| - cos|-----------|*sin(a)
\ 2 / \ 2 /
$$- \sin^{2}{\left (a \right )} - \sin{\left (a \right )} \cos{\left (\frac{1}{2} \left(- 2 a + 3 \pi\right) \right )} + \sin{\left (\frac{1}{2} \left(2 a + \pi\right) \right )} \cos{\left (a \right )}$$
$$\cos^{2}{\left (a \right )}$$
2 /3*pi \ /pi \
- sin (a) + cos|---- - a|*sin(a - 3*pi) + sin|-- + a|*cos(2*pi + a)
\ 2 / \2 /
$$- \sin^{2}{\left (a \right )} + \sin{\left (a - 3 \pi \right )} \cos{\left (- a + \frac{3 \pi}{2} \right )} + \sin{\left (a + \frac{\pi}{2} \right )} \cos{\left (a + 2 \pi \right )}$$
1 cos(2*a)
- + --------
2 2
$$\frac{1}{2} \cos{\left (2 a \right )} + \frac{1}{2}$$
$$\cos^{2}{\left (a \right )}$$
$$\cos^{2}{\left (a \right )}$$
Тригонометрическая часть
[src]$$\cos^{2}{\left (a \right )}$$
$$\cos^{2}{\left (a \right )}$$