public void TrigTest()
{
double theta = Math.PI * 1.5;
var angle = new Angle(theta, AngleUnit.Radians);
Assert.AreEqual(Math.Cos(theta), angle.Cos(), DELTA);
Assert.AreEqual(Math.Sin(theta), angle.Sin(), DELTA);
Assert.AreEqual(Math.Tan(theta), angle.Tan(), DELTA);
Assert.AreEqual(Math.Cosh(theta), angle.Cosh(), DELTA);
Assert.AreEqual(Math.Sinh(theta), angle.Sinh(), DELTA);
Assert.AreEqual(Math.Tanh(theta), angle.Tanh(), DELTA);
Assert.AreEqual(new Angle(Math.Acos(0.5), AngleUnit.Radians).Turns, Angle.ArcCos(0.5).Turns, DELTA);
Assert.AreEqual(new Angle(Math.Asin(0.5), AngleUnit.Radians).Turns, Angle.ArcSin(0.5).Turns, DELTA);
Assert.AreEqual(new Angle(Math.Atan(0.5), AngleUnit.Radians).Turns, Angle.ArcTan(0.5).Turns, DELTA);
Assert.AreEqual(new Angle(Math.Atan2(2, 1), AngleUnit.Radians).Turns, Angle.ArcTan2(2, 1).Turns, DELTA);
}
