Maths c2 formulae

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How do you work out arc length?

0.5xr^2xõ

How do you work out the area?

Like that

How to turn degrees to radians and back.

0.5absinc=area

How to work out the area of a non right angle triangle?

Radians

What must the area and arc length me measured in?

Sin^2õ+cos^2õ=1

What's one sin/cos rule?

Sinõ/cosõ=tanõ

What's one trig rule?


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