# Use tangent ratio to calculate angles and sides (Tan = o / a)

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##### Intros

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##### Examples

###### Lessons

- Determine each tangent ratio using a calculator

i) $\tan 70^\circ$

ii) $\tan-134^\circ$

- Determine the angle to the nearest degree using a a calculator

i) $\tan \theta = 0.64$

ii) $\tan \theta = -1.45$

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