Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 5 - No. 12)
If you are given two sides of a triangle and the angle *not* included between them, which trigonometric rule should be applied?
The Cosine Rule
The Sine Rule
Pythagorean Theorem
None of the above
Explanation
The Sine Rule is used in such cases.
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