Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 1 - No. 24)
How does the area of a triangle formula using sine relate to the area of a right triangle?
The formula only applies to right triangles.
The formula is not applicable to right triangles
The formula works as sin(90°) = 1.
The formula is used with sine 180°
Explanation
When the triangle is right, one angle is 90 degrees, and the sin(90) = 1
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