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education/math/MATH1060 (trig)/Angles.md
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@ -18,6 +18,15 @@ A **supplementary** angle is formed when two positive angles add up to $180\degr
> Supplementary starts with S and S stands for straight. $180\degree$ makes a straight line. > Supplementary starts with S and S stands for straight. $180\degree$ makes a straight line.
Angles greater than $90\degree$ have no complement and angles greater than $180\degree$ have no supplement. Angles greater than $90\degree$ have no complement and angles greater than $180\degree$ have no supplement.
# Right Angle Trigonometry
| SohCahToa | Inverse |
| --------------------------------------------- | --------------------------------------------- |
| $$ sin\theta = \frac{opposite}{hypotenuse} $$ | $$ csc\theta = \frac{hypotenuse}{opposite}$$ |
| $$ cos\theta = \frac{adjacent}{hypotenuse} $$ | $$ sec\theta = \frac{hypotenuse}{adjacent} $$ |
| $$ tan\theta = \frac{opposite}{adjacent} $$ | $$ cot\theta = \frac{adjacent}{opposite} $$ |
| | |
# Definitions # Definitions
| Term | Description | | Term | Description |
| -------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | -------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |