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Program: SOHCAHTO

SOHCAHTO

  • Displays "SOH CAH TOA" on the screen.


Useful for:

  • ACT
  • Geometry
  • Precalculus
  • Trigonometry
  • Calculus


How to download and run TI-84 Plus programs

See full list of programs




Example

Q: Find sin A, cos A, and tan A.


  

Solution:

Run SOHCAHTO.  How?

The program displays:








This reminds you that:
sin x = Opposite / Hypotenuse
cos x = Adjacent / Hypotenuse
tanx = Opposite / Adjacent.

Interpretation:
sin A = 4/5
cos A = 3/5
tan A = 4/3





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