Mathematics · Topic 6 · Trigonometry
SOHCAHTOA. See the ratios.
Tell it what you know and what you want to find — any side, or the angle itself. The triangle redraws to scale, the right ratio lights up, and the working is laid out exactly the way the mark scheme wants it.
0580 Topic 6 — Trigonometry
sin · cos · tan · inverse
right-angled triangles
Controls
The three ratios
SOH · CAH · TOA — sin=O/H, cos=A/H, tan=O/A
sin θO/H–
cos θA/H–
tan θO/A–
Worked solution
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