Hi, does anyone know the formula for Sin (trigonometry)?

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George Hobson

Qualified Maths Teacher, with a track record of improving results!

Sin (a) = opposite/hypotenuse SOH CAH TOA can help you to remember this, give it a google! However if you mean the sine rule, it’s: a/sin(A) = b/sin(B) = c/sin(C)

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