Find dy/dx implicitly and find the largest interval of the form -a

Find dy/dx implicitly and find the largest interval of the form tan y = x Write dy/dx as a function of x. dy dx a < y < a or O < y < a such that y is a differentiable function of x. Find dy/dx implicitly and find the largest interval of the form tan y = x Write dy/dx as a function of x. dy dx a < y < a or O < y < a such that y is a differentiable function of x.