Trigonometry · Classes 9, 10, 11

Sine Ratio

Right triangle definition for acute angle θ.

FORMULA
\(\sin\theta=\frac{\text{opposite}}{\text{hypotenuse}}\)

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Worked example

Opposite 3, hypotenuse 5 ⇒ sin θ=0.6

Understand this formula

Right triangle definition for acute angle θ.

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