Law of Sines / Law of Cosines

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What is the Law of Sines?

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Front

What is the Law of Cosines?

Back

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How do you find a missing side using the Law of Sines?

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How do you find a missing angle using the Law of Sines?

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What is the formula for finding the area of a triangle using the Law of Sines?

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How do you apply the Law of Cosines to find a side?

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How do you apply the Law of Cosines to find an angle?

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Front

What is the relationship between the angles and sides in a triangle?

Back

In a triangle, the larger the angle, the longer the side opposite that angle. This is a key principle in both the Law of Sines and the Law of Cosines.

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What is the significance of the Law of Sines in non-right triangles?

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The Law of Sines is particularly useful for solving non-right triangles, allowing for the calculation of unknown sides and angles when given sufficient information.

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What is the significance of the Law of Cosines in non-right triangles?

Back

The Law of Cosines is essential for solving triangles when two sides and the included angle are known, or when all three sides are known.

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