Paper 2 · Trigonometry
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Lesson 2 of 9
LCOL Trigonometry 2: SOHCAHTOA Finding the angle
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- Sin = opp/hyp, cos = adj/hyp, tan = opp/adj
- To find an ANGLE from two sides: write the ratio, then use sin⁻¹…
- Make sure the calculator is in DEGREES
Formula used
SOH CAH TOA — then use sin⁻¹ / cos⁻¹ / tan⁻¹ to get the angle
On page 20 of the log tables — read it off, don’t memorise.Most recent exam questions
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