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2*pi is one complete revolution, i.e. 360 degrees. Sin of 2*pi = sin 360º = 0
The answer depends on x, on whether x is measured in degrees or radians and on whether the question is about sin(x) + 2 or sin(x + 2).
all sin is sin97 degrees Fahrenheit = 36.1 degrees Celsius
It is:- sin(40) = 0.6427876097
The answer will depend on x, and whether x is measured in degrees or radians.