# Use sine ratio to calculate angles and sides (Sin = o / h)

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##### Intros

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##### Examples

###### Lessons

- Determine each sine ratio using a calculator

- $\sin 60^\circ$
- $\sin-60^\circ$

- Determine the angle to the nearest degree using a calculator

- $\sin \theta =0.57$
- $\sin \theta = -0.65$

- Determine the angles and sides using Sine ratio
- Draw and label a right triangle to illustrate sine ratio, then calculate the angle.