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Calculators - Triangle

Tips for Successful Calculations:

  • The Sine, Cosine and Tangent rules state that one of the angles has to have a magnitude of 90 degrees. We have chosen Z.
  • Neither A nor B can be equal to C.
  • Neither X nor Y can have a magnitude equal to or greater than 90 degrees.

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Sine Rule:

1. Size of Angle Y: °

2. Length of Side A:

3. Length of Side C:

Cosine Rule:

1. Size of Angle Y: °

2. Length of Side B:

3. Length of Side C:

Cosine Rule:

1. Size of Angle X: °

2. Length of Side A:

3. Length of Side B:>