Trigonometry

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

Round your answer to two decimal places.

Easy

Approx 4 minutes

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.

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Explore the development of the cosine law within acute triangles

Determine the measures of sides and angles in acute triangles, using the sine law and the cosine law