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  1. //Maxwell Brewer            CS1A           Chapter 3, P. 147, #20
  2. //
  3. /***************************************************************
  4.  * 
  5.  * CALCULATE OUTPUT ANGLES
  6.  * _____________________________________________________________
  7.  * 
  8.  * This program will prompt the user for an angle in radians,
  9.  * and then display the sine, cosine, and tangent of the angle.
  10.  * _____________________________________________
  11.  * INPUT
  12.  * 
  13.  * radians
  14.  * 
  15.  * OUTPUT
  16.  * 
  17.  * sine, cosine, tangent
  18.  * 
  19.  ***************************************************************/
  20.  
  21. #include <iostream>
  22. #include <iomanip>
  23. #include <cmath>
  24. #include <string>
  25.  
  26. using namespace std;
  27.  
  28. int main() {
  29.  
  30.     // Initialization
  31.  
  32.     const char entAngle[] = "Enter angle: \n";
  33.     const char valSin[]   = "The sine value is: ";
  34.     const char valCos[]   = "The cosine value is: ";
  35.     const char valTan[]   = "The tangent value is: ";
  36.  
  37.     double radian, sine, cosine, tangent;
  38.  
  39.     // Display input prompts
  40.  
  41.     cout << entAngle;
  42.     cin  >> radian;
  43.  
  44.     sine    = sin(radian);
  45.     cosine  = cos(radian);
  46.     tangent = tan(radian);
  47.  
  48.     // Output
  49.  
  50.     cout << valSin << fixed << setprecision(4) << sine    << endl;
  51.     cout << valCos << fixed << setprecision(4) << cosine  << endl;
  52.     cout << valTan << fixed << setprecision(4) << tangent << endl;
  53.  
  54. 	return 0;
  55. }
Success #stdin #stdout 0.01s 5280KB
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Enter angle: 
The sine value is: -0.9880
The cosine value is: 0.1543
The tangent value is: -6.4053
https://ideone.com/4SOmdB
Chapter 3, P. 147, #20
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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