HP15C HP42S integration of trig differs in *rad and *deg

[John Cadick]

(04-28-2018 01:12 PM)zooropa1844 Wrote:  Cadick said

Quote:If the upper and lower limits are in radians, so is the answer. If they are in degrees, so is the answer.

Only to point out that the units of the result of a definite integral is not in general the units of the limits of integration. It is the case in the example we are dealing with because sin(x) is dimensionless. But in the most general case the units are the units of the integrand times the units of the variable of integration.

Cheers

Thanks for your clarification. You are, of course, absolutely correct. I thought about covering the non-dimensional characteristic of the radian, degree, and various trig functions, but I couldn't come up with a way to do it concisely. Your paragraph explains it very well.

John