/ 2 \ | sin (x) | |1 - -----------|*cos(x) | 2 | \ 1 - cos (x)/ ------------------------ _____________ / 2 \/ 1 - cos (x)
/ 2 2 2 2 \ | sin (x) 3*cos (x) 3*cos (x)*sin (x)| |-1 + ----------- - ----------- + -----------------|*sin(x) | 2 2 2 | | 1 - cos (x) 1 - cos (x) / 2 \ | \ \1 - cos (x)/ / ----------------------------------------------------------- _____________ / 2 \/ 1 - cos (x)