Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 4 - No. 38)
Which of the following scenarios might lead to the ambiguous case when using the sine rule?
Knowing two sides and the included angle.
Knowing all three sides.
Knowing two sides and an angle opposite one of them.
Knowing two angles and a side.
Explicaţie
The ambiguous case arises when given two sides and a non-included angle, where the angle is opposite one of the given sides.