It is a function.
In elementary mathematics it is defined as a trigonometric function: the ratio of the lengths of the opposite side to the hypotenuse in a right angled triangle.
However, in more advanced mathematics it is defined by the infinite series:
sin(x) = x - x3/3! + x5/5! - x7/7! + ... where x is measured in radians.
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No.
The product is the "sum" of a multiplication math problem.
19.86 - 4.94 math problem = 14.919999999999998
sin stands for sine cos stands for cosine and tan stands for tangent
.. with another math problem.... See if the question is the same or different.