関連ワード:  what is the domain of trig functions    what is the range of trig functions    what is the domain of inverse trig functions    what is the domain of all trig functions    what is the domain and range of trig functions    what is the domain of all inverse trigonometric functions    what is the range of inverse trig functions    what is principal domain of trigonometric functions    what is the range of all trigonometric functions    what is the domain and range of inverse trig functions