Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 3 - No. 27)
Which of the following are necessary to apply the sine rule?
One side and its opposite angle
Two sides and the included angle
Two angles and any side
All three sides
คำอธิบาย
The sine rule requires at least one side and its opposite angle or two angles and any side.