Подстановка условия
[src]
$$\sin{\left(\operatorname{acos}{\left(t \right)} \right)}$$
$$\sqrt{- t^{2} + 1}$$
$$t = -3$$
___________
/ 2
\/ 1 - (-3)
$$\sqrt{- (-3)^{2} + 1}$$
___________
/ 2
\/ 1 - (-3)
$$\sqrt{- \left(-3\right)^{2} + 1}$$
$$2 \sqrt{2} i$$
$$\sqrt{- t^{2} + 1}$$
/ -I*acos(t) I*acos(t)\
-I*\- e + e /
--------------------------------
2
$$- \frac{i \left(e^{i \operatorname{acos}{\left(t \right)}} - e^{- i \operatorname{acos}{\left(t \right)}}\right)}{2}$$
-i*(-exp(-i*acos(t)) + exp(i*acos(t)))/2