C2 Maths

What's the cosine rule to find the length of a line?

a² = b² + c² - 2bc cos A
What the cosine rule to find an angle?

cosA = (b² + c² - a²) / 2bc
What is the Sine rule for length?

a / sinA = b / sinB = c / sinC
What is the sine rule for angles?

just swap length rule

sinA/ a = sinB / b = sinC / c
How would you find the area of a non-right angled triangle?

½bc sin A
What is the logarithm general rule?

aˣ = b ⇔ Log (?) b = x

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Anonymous

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Card Set

C2 Maths

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Revison Cards for C2 maths

Updated

2011-02-18T00:22:25Z

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