Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 6 - No. 21)
Which tool is used to find the lengths of sides of a triangle when all three angles and one side are known?
Pythagorean Theorem
The Law of Sines
The Law of Cosines
Heron's formula
Explication
The law of sines is useful when you are given one side and all the angles.