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  1. //Faith Tjia					CSC5				Chapter 3, P. 147, #20
  2. //
  3. /*****************************************************************************
  4.  * ANGLE CALCULATOR
  5.  * ___________________________________________________________________________
  6.  * This program will ask the user to enter an angle (in radians), it will then 
  7.  * calculate and display the sine, cosine, and tangent of the angle.
  8.  * 
  9.  * FUNCTIONS USED
  10.  * sin(x), cos(x), tan(x)
  11.  * ___________________________________________________________________________
  12.  * INPUT
  13.  * angle: The angle given by the user
  14.  * 
  15.  * OUTPUT
  16.  * sinA
  17.  * cosA
  18.  * tanA
  19.  * 
  20.  * **************************************************************************/
  21. #include <iostream>
  22. #include <iomanip>
  23. #include <cmath>
  24. using namespace std;
  25.  
  26. int main() {
  27. 	double angle;			//INPUT - The angle given by the user
  28. 	double sinA;			//OUTPUT - The sine of the angle
  29. 	double cosA;			//OUTPUT - The cosine of the angle
  30. 	double tanA;			//OUTPUt - The tangent of the angle
  31.  
  32. //
  33. // Initialize Program Variables
  34.    cout << "Enter an angle in the form of radians: ";
  35.    cin >> angle;
  36.    cout << angle << endl;
  37. //
  38. // Compute Sine, Cosine, and Tangent
  39.    double sinA = sin(angle);
  40.    double cosA = cos(angle);
  41.    double tanA = tan(angle);
  42.  
  43. //
  44. // Display Sine, Cosine, and Tangent of the Angle
  45.    cout << "The sine of the angle is " << setprecision(4) << fixed << sinA <<
  46.    endl;
  47.    cout << "The cosine of the angle is " << setprecision(4) << fixed << cosA
  48.    << endl;
  49.    cout << "The tangent of the angle is " << setprecision(4) << fixed << tanA
  50.    << endl;
  51. 	return 0;
  52. }
Success #stdin #stdout 0s 5292KB
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stdin
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Standard input is empty
stdout
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Enter an angle in the form of radians: 6.95266e-310
The sine of the angle is 0.0000
The cosine of the angle is 1.0000
The tangent of the angle is 0.0000
https://ideone.com/wfJHWR
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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