Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 2 - No. 14)
In the area formula, Area = 1/2 * ab * sinC. If 'a' and 'b' represent two sides, which trigonometric ratio would be used with them?
Cosine
Sine
Tangent
Cosecant
คำอธิบาย
The sine function is used with the two sides in the area formula.