Question : y=-tan(x) Function Find the inverse Evaluate the derivative Find the domain Load more f−1(x)=arctan(−x) Evaluate y=−tan(x)Interchange x and y x=−tan(y)Swap the sides of the equation −tan(y)=xMultiply both sides of the equation by −1 −tan(y)(−1)=x(−1)Calculate tan(y)=x(−1)Use the commutative property to reorder the terms tan(y)=−xUse the inverse trigonometric function y=arctan(−x)Solution f−1(x)=arctan(−x) Show Solution Solve the equation x=arctan(−y) Evaluate y=−tan(x)Swap the sides of the equation −tan(x)=yMultiply both sides of the equation by −1 −tan(x)(−1)=y(−1)Calculate tan(x)=y(−1)Use the commutative property to reorder the terms tan(x)=−ySolution x=arctan(−y) Show Solution Graph