0.685 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.356 * * * [progress]: [2/2] Setting up program.
0.361 * [progress]: [Phase 2 of 3] Improving.
0.361 * [simplify]: Simplifying:
  (- (/ 1.0 x) (/ 1.0 (tan x)))