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10 questions from this quiz
When given two sides & included angle
When all three sides are given
a2=b2+c2−2bccosAa^2 = b^2 + c^2 - 2bc \cos Aa2=b2+c2−2bccosA
The angle between two known sides
Sine Rule
The angle is between 90° and 180°
All three sides and one angle
Degree mode
a2=82+62−2(8)(6)cos48°a^2 = 8^2 + 6^2 - 2(8)(6)\cos 48°a2=82+62−2(8)(6)cos48°
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