Sine law, Tangent and Cosine?

  • Thread starter Thread starter sam r
  • Start date Start date
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sam r

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How do you type these formulas into a backwards calculator?

example: 12tan25

or when it is something like: cos-1(15/5.2)

please help
http://images.amazon.com/images/P/B00004TVDT.01._SCLZZZZZZZ_.jpg



that is the calculator i am using
 
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