local radians = pi / 4
local degrees = 45.0

--sine
print (sin (radToDeg radians))
print (sin degrees)
--cosine
print (cos (radToDeg radians))
print (cos degrees)
--tangent
print (tan (radToDeg radians))
print (tan degrees)
--arcsine
print (asin (sin (radToDeg radians)))
print (asin (sin degrees))
--arccosine
print (acos (cos (radToDeg radians)))
print (acos (cos degrees))
--arctangent
print (atan (tan (radToDeg radians)))
print (atan (tan degrees))