Trigonometric Ratios for Any Angle (Unit Circle, Special Angles, CAST Rule)
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
Sample: the first question, solved
What is the CAST rule used for?
📘 Worked solution
✓It shows which trig ratios (Sin, Cos, Tan, or All) are positive in each of the four quadrants.
And one from the hard end
In which quadrant is tangent negative but sine positive?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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