/ t \ asin|-----------| | ________| | / 2 | \\/ 1 + t /
2 1 t ----------- - ----------- ________ 3/2 / 2 / 2\ \/ 1 + t \1 + t / ------------------------- ____________ / 2 / t / 1 - ------ / 2 \/ 1 + t
/ 2 \ | t | | -1 + ------| / 2 \ | 2| | t | | 1 + t | t*|-1 + ------|*|3 + -----------| | 2| | 2 | \ 1 + t / | t | | 1 - ------| | 2| \ 1 + t / --------------------------------- ____________ 3/2 / 2 / 2\ / t \1 + t / * / 1 - ------ / 2 \/ 1 + t
/ / 2 \ / 2 4 \ 3 2 \ | | t | | 5*t 4*t | / 2 \ / 2 \ | | |-1 + ------|*|1 - ------ + ---------| 2 | t | 2 | t | | | | 2| | 2 2| 3*t *|-1 + ------| 6*t *|-1 + ------| | | 2 4 \ 1 + t / | 1 + t / 2\ | | 2| | 2| | | 18*t 15*t \ \1 + t / / \ 1 + t / \ 1 + t / | -|3 - ------ + --------- + -------------------------------------- + ---------------------- + ---------------------| | 2 2 2 2 / 2 \| | 1 + t / 2\ t / 2 \ / 2\ | t || | \1 + t / 1 - ------ / 2\ | t | \1 + t /*|1 - ------|| | 2 \1 + t /*|1 - ------| | 2|| | 1 + t | 2| \ 1 + t /| \ \ 1 + t / / -------------------------------------------------------------------------------------------------------------------- ____________ 3/2 / 2 / 2\ / t \1 + t / * / 1 - ------ / 2 \/ 1 + t