What are the principal values when solve inverse trig equations?

The domain of y=sinx is [-π2,π2] and the range is [-1, 1].

The domain of y=sin-1 is [-1, 1] and the range is [-π2,π2].

The domain of y=cosx is [0,π] and the range is [-1, 1].

The domain of y=cos-1x is [-1, 1] and the range is [0,π].

The domain of y=tanx is [-π2,π2] and the range is [-∞,∞].

The domain of y = tan-1 x is [-∞,∞] and the range is [-π2,π2].