NZ Level 7 (NZC) Level 2 (NCEA)
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Cosine Rule

Interactive practice questions

Find the length of $a$a using the cosine rule.

Round your answer to two decimal places.

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Approx 4 minutes
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Find the length of $a$a using the cosine rule.

Round your answer to two decimal places.

Find the length of $a$a using the cosine rule.

Round your answer to two decimal places.

Find the length of $q$q using the cosine rule.

Round your answer to two decimal places.

Outcomes

M7-4

Apply trigonometric relationships, including the sine and cosine rules, in two and three dimensions

91259

Apply trigonometric relationships in solving problems

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