Trig Functions
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".
abbreviations |
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\(\large{ \ sine = sin }\) \(\large{ \ cosine = cos }\) \(\large{ \ tangent = tan }\) \(\large{ \ cotangent = cot }\) \(\large{ \ cosecant = csc }\) \(\large{ \ secant = sec }\) \(\large{ \ arcsine = arcsin }\) \(\large{ \ arccosine = arccos }\) \(\large{ \ arctangent = arctan }\) \(\large{ \ arccotangent = arccot }\) \(\large{ \ arccosecant = arccsc }\) \(\large{ \ arcsecant = arcsec }\) |
Trig Functions formulas |
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\(\large{ \ sin \; \theta= \frac {opposite}{hypotenuse} }\) \(\large{ \ cos \; \theta= \frac {adjacent}{hypotenuse} }\) \(\large{ \ tan \; \theta= \frac {opposite}{adjacent} }\) \(\large{ \ csc \; \theta= \frac {hypotenuse}{opposite} }\) \(\large{ \ sec \; \theta= \frac {hypotenuse}{adjacent} }\) \(\large{ \ cot \; \theta= \frac {adjacent}{opposite} }\) \(\large{ \ arcsin \; \theta= \frac {opposite}{hypotenuse} }\) \(\large{ \ arccos \; \theta= \frac {adjacent}{hypotenuse} }\) \(\large{ \ arctan \; \theta= \frac {opposite}{adjacent} }\) \(\large{ \ arccsc \; \theta= \frac {hypotenuse}{opposite} }\) \(\large{ \ arcsec \; \theta= \frac {hypotenuse}{adjacent} }\) \(\large{ \ arccot \; \theta= \frac {adjacent}{opposite} }\) |
