+118724 arcsin( pi) is undefined because pi is not within the bounds of -1 to +1
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I suspect you really want to know what is sin(pi ) radians
because pi is usually an angle.
Draw a circle
centre at the origin(0,0) and radius of 1 unit.
That is called a unit circle.
The angle goes from 0 to 2pi radians starting on the positve x axis and going anticlockwise.
So pi relates to -1 on the x axis.
sin of an angle is always given by the y value on the unit circle.
What is the y value if the point is on the x axis?
+118724 arcsin( pi) is undefined because pi is not within the bounds of -1 to +1
-----------------------
I suspect you really want to know what is sin(pi ) radians
because pi is usually an angle.
Draw a circle
centre at the origin(0,0) and radius of 1 unit.
That is called a unit circle.
The angle goes from 0 to 2pi radians starting on the positve x axis and going anticlockwise.
So pi relates to -1 on the x axis.
sin of an angle is always given by the y value on the unit circle.
What is the y value if the point is on the x axis?
