Using the cosine ratio
Lesson 10 / 12
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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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