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Trigonometry Right Angled Triangle
A Opposite [O] Adjacent [A]
Hypotenuse [H] A Opposite [O] Adjacent [A]
[H] A [O] [A] Cosine Cos A = A H Sine Sin A = O H Tangent Tan A = O A SOHCAHTOA
[H] A [O] [A] SOHCAHTOA
  A SOHCAHTOA [H] [O] [A] Sin A = O H = 3 5
 A   SOHCAHTOA [H] [O] [A] Cos A = A H = 4 5
 SOHCAHTOA [H]  A  [O] [A] Tan A = O A = 3 4
 A   SOHCAHTOA [H] [O] [A] Sin A = O H = 12 13
 A   SOHCAHTOA [H] [O] [A] Cos A = A H = 5 13
 A   SOHCAHTOA [H] [O] [A] Tan A = O A = 12 5
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