Step 1: Find your related acute angle Step 2: Draw the possible lines on the CAST quadrants Step 3: Find the radians angles in your CAST quadrants Step 4: Find where the angle is valid.
Step 1: Find your related acute angle Step 2: Draw the possible lines on the CAST quadrants Step 3: Find the radians angles in your CAST quadrants Step 4: Find where the angle is valid.