SOLUTION: Solve: {{{sin3xtanx-sin3x=0}}} , {{{0<=x<=3pi/2}}}

Algebra ->  Trigonometry-basics -> SOLUTION: Solve: {{{sin3xtanx-sin3x=0}}} , {{{0<=x<=3pi/2}}}      Log On


   

Question 553543: Solve:
sin3xtanx-sin3x=0 , 0%3C=x%3C=3pi%2F2
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
sin3xtanx-sin3x=0 , 0<=x<=3π/2
sin3x(tanx-1)=0
sin3x=0
3x=0
x=0 and π
..
tanx-1=0
tanx=1
x=π/4 and 5π/4 (in quadrants I and III where tan>0)