Lös left(sin(x)right)^2*left(left(cot(x)right)^2+1right)

$${ \left( \sin ( x ) \right) }^{ 2 } \cdot \left( { \left( \cot ( x ) \right) }^{ 2 } +1 \right)$$

Beräkna

$$1$$

Faktorisera

$$1$$