Find every trig solution in an interval

Press these keys

Walkthrough

1. 1
   Graph both sides

   Enter the left and right sides in Y1 and Y2.

2. 2
   Use the full interval

   Set Xmin and Xmax exactly to the required interval and a useful y-window.

3. 3
   Repeat intersection

   Find each crossing separately, moving the cursor near the intended one.

Worked example