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In my code:
Vector2 colCircle = new Vector2();
colCircle = new Vector2((R * Math.Sin(D)), -(R * Math.Cos(D)));
While:
R = 22.627
D = 89.214
When checked on my calculator, the X value is correct, but the Y value should be -0.310 but in program it is -7.134.
Any ideas why?
245
The Math. cos() function returns the cosine of a number in radians.
Cos θ = sin θ/tan θ Sec θ = tan θ/sin θ
The cosine is equal to the ratio of the side adjacent to the angle and the hypotenuse of the right-angled triangle they define. The angle must be measured in radians.
The trigonometric functions expect radians, not degrees.
139
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