setup

test sin(pi / 2) is 1
test sin(pi / 6) is 0.5
test sin(0) is 0
test sin(-pi / 6) is -0.5
test sin(-pi / 2) is -1

//repeat with i = -45 to 45
//	test asin(sin(i / (2*pi))) is i / (2*pi)
//end repeat

teardown