Calculate arcsin, arccos, and arctan for a real input value.
The input must be a finite real number. arcsin and arccos only accept values between -1 and 1 inclusive.
With x = 1 and degree output, arcsin = 90.0000°, arccos = 0.0000°, and arctan = 45.0000°.
Their input domain is limited to the closed interval [-1, 1].
Yes. Switch the output unit to display the inverse trig values in radians.
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