Cosine formula |
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| \( \cos\; (\theta) \;=\; \dfrac {adjacent}{hypotenuse} \) |
- Hypotenuse: The side opposite the right angle "C", is the hypotenuse "c".
- Opposite Leg: The side opposite to the angle needed "A", is the opposite side "a".
- Adjacent Leg: The side opposite the hypotenuse and next to the angle needed, is the adjacent side "b".
- cos = cosine
