You can put this solution on YOUR website! find period and phase shift, y= -4 tan(5x + pi/2)
Equation of tan function: y=tan(Bx-C), period=π/B, phase shift=C/B
For given tan function:
B=5
period=π/B=π/5
C=π/2
phase shift=C/B=(π/2)/5=π/10 (shift to the left)