b. The Sine Rule
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E1-07 [Trigonometry: Proof of the Sine Rule]
E1-07 [Trigonometry: Proof of the Sine Rule]
E1-08 [Trigonometry: Using the Sine Rule]
E1-08 [Trigonometry: Using the Sine Rule]
E1-09 [Trigonometry: When the Sine Rule can lead to Two Triangles]
E1-09 [Trigonometry: When the Sine Rule can lead to Two Triangles]