on . Posted in Trigonometry

  • trig functionHypotenuse: 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".


  • arccos  -  arccosine


Arccosine formula

\(\large{  arccos\; \theta = \frac {adjacent}{hypotenuse} }\)


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