How to use atan2 : Tan ATan « Math « C / ANSI-C

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C / ANSI-C » Math » Tan ATan Screenshots  How to use atan2 #include <math.h> #include <stdio.h> int main(void) {   double val = -1.0;   do {     printf("Atan2 of %f is %f.\n", val, atan2(val,1.0));     val += 0.1;   } while(val<=1.0);   return 0; }                     Related examples in the same category 1. Calculate tangent: tan 2. How to use atan 3. How to use tan 4. Hyperbolic tangent: how to use tanh 5. Calculate hyperbolic tangent: how to use tanh 6. Calculate arctangent: how to use atan 7. Calculate arctangent, 2 parameters: how to use atan2