Sine and Cosine Rule

Use the sine rule to find the unknown length correct to 1 decimal place.

• 12.7m

• 13.5m

• 14.8m

• 11.7m

Use the sine rule to find the unknown angle, correct to the nearest degree

• 65 degree

• 32 degree

• 83 degree

• 148 degree

Which is the sine rule formula as used to find a side?

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Use the cosine rule to find the unknown length, correct to 2 significant figures.

• 220m

• 230m

• 240m

• 210m

Which is the cosine rule formula as used to find an angle?

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Use the cosine rule to find the unknown angle, correct to the nearest degree.

• 0.669 degree

• 49 degree

• 48 degree

• 0.656 degree

Which is the cosine rule formula as used to find a side?

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Which Rule would you use to solve a non-right-angled triangle if you were given three sides

• sine rule

• cosine rule

Which Rule would you use to solve a non-right-angled triangle if you were given two sides and an included angle

• sine rule

• cosine rule

Which Rule would you use to solve a non-right-angled triangle if you were given two sides and a non-included angle

• sine rule

• cosine rule