Trig Function Formulas |
||
|
\( sin (\theta) \;=\; \dfrac {opposite}{hypotenuse} \) \( cos (\theta) \;=\; \dfrac {adjacent}{hypotenuse} \) \( tan (\theta) \;=\; \dfrac {opposite}{adjacent} \) \( csc (\theta) \;=\; \dfrac {hypotenuse}{opposite} \) \( sec (\theta) \;=\; \dfrac {hypotenuse}{adjacent} \) \( cot (\theta) \;=\; \dfrac {adjacent}{opposite} \) \( arcsin (\theta) \;=\; \dfrac {opposite}{hypotenuse} \) \( arccos (\theta) \;=\; \dfrac {adjacent}{hypotenuse} \) \( arctan (\theta) \;=\; \dfrac {opposite}{adjacent} \) \( arccsc (\theta) \;=\; \dfrac {hypotenuse}{opposite} \) \( arcsec (\theta) \;=\; \dfrac {hypotenuse}{adjacent} \) \( arccot (\theta) \;=\; \dfrac {adjacent}{opposite} \) |
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".
