.trigonometry {
	line-height: sin(pi / 4);
	line-height: cos(.125turn);
	line-height: tan(50grad);
	transform: rotate(asin(-1));
	transform: rotate(asin(sin(30deg + 1.0471967rad)));
	transform: rotate(acos(-1));
	transform: rotate(acos(cos(0 / 2 + 1 - 1)));
	transform: rotate(atan(infinity));
	transform: rotate(atan(e - 2.7182818284590452354));
	transform: rotate(atan2(-infinity,-infinity));
	transform: rotate(atan2(-infinity,infinity));
	transform: rotate(atan2(-infinity,infinity));
	transform: rotate(atan2(90, 15));
}
