sin-1 x should not be confused with (sinx)-1 and the same rule applies to other trigonometric functions. Principal Value: The range of an inverse trigonometric function is the principal value ...

These questions will help the students prepare inverse trigonometric functions. Check and download the question PDFs. Q: 4 The domain of f (x) = sin⁻¹x - cos⁻¹x is [-1, 1] while its range is ...