28th November 2019


What is pie by 2?

chord: a line segment within a circle that touches 2 points on the circle. pi ( ): A number, 3.141592, equal to (the circumference) / (the diameter) of any circle. radius: distance from center of circle to any point on it. sector: is like a slice of pie (a circle wedge).

Likewise, what is the cos2pi?

Cos(2 pi) is equal to 1. The cosine function, cos(x), oscillates between 1 and -1 with a period of 2pi as x varies. By definition, cos(0) = 1, and the periodicity of the function means the cosine of all multiples of 2pi (2pi, 4pi and so on) is also equal to 1.

Which angle is pi?

The point is that pi radians is equal to 180 degrees. Radians are a unit of measurement for angles, just like degrees are, and pi is just the number of radians that makes up that angle. Just as one radian is equal to 57.3 degrees (approximately).

What is the value of cos 180?

θsin θcos θ
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