cos0
1
The value of cos(0) is 1.
In trigonometry, cos(x) represents the value of the cosine function for an angle x expressed in radians. The cosine function represents the ratio of the adjacent side of a right triangle to the hypotenuse.
When the angle is 0 degrees or 0 radians, the adjacent and the hypotenuse sides of the right triangle coincide. This means that their ratio is equal to 1, resulting in cos(0)=1.
Therefore, cos(0) is equal to 1.
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