TAN(x): Tangent of x

In a right triangle the tangent of an angle is the ratio of the length of the opposite side to the length of the adjacent side.

• • tangent_of_X = TAN( X ) ! X must be in radians
• to convert degrees to radians, multiply degrees by pi/180
• pi = ACOS(-1) ! calculate pi
• • a = TAN( 3.1415 )
  a is assigned -0.0000926 (pi is truncated here)
• • cotangent_of_X = 1 / TAN( X )