Section 3: Functions40
Compute arc sine (.100) expressed in radians.
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gRAD 1  
  1.
   
f-1SIN   
  1.57
  Answer in radians.
Compute tangent 45°.
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gDEG 45  
  45.
   
fTAN   
  1.00
  Answer.
Compute arc tangent (39.4) expressed in radians.
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gRAD 39.4  
  39.4
   
f-1TAN   
  1.55
  Answer in radians.
Sample Case: Polar to Rectangular. Covert polar coordinates (r=8, θ=120°) to rectangular coordinates: