Primary Trigonometric Ratios (SOH CAH TOA)
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
Sample: the first question, solved
In a right triangle, which side is always opposite the 90° angle?
📘 Worked solution
✓The hypotenuse is defined as the side directly across from the right angle - it is always the longest side of a right triangle.
And one from the hard end
"For a right triangle with hypotenuse 10 and opposite side 6, find cos(θ) using the Pythagorean theorem, and verify sin²(θ)+cos²(θ)=1."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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