Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 4 - No. 29)
What additional piece of information is needed to solve a triangle using the Law of Sines, when two sides and an angle are given?
The measure of the third side
The angle opposite one of the two given sides
The perimeter of the triangle
The area of the triangle
คำอธิบาย
The Law of Sines requires at least one pair of an angle and its opposite side.