Checking and securing understanding of cosine problems
Lesson 1 / 14
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Lesson outcome
I can use the cosine ratio to find the missing side or angle in a right-angled triangle.
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The cosine ratio involves the hypotenuse, adjacent and the angle
If you know the length of the hypotenuse and the size of the angle, you can use the cosine ratio
If you know the length of the adjacent and the size of the angle, you can use the cosine ratio
If you know the length of the hypotenuse and adjacent, you can use the cosine ratio
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