float calculateSin(int angle) {
  float radians = radians(angle);
  return sin(radians);
}

void setup() {
  Serial.begin(9600);
  int angle1 = 30;
  float sin1 = calculateSin(angle1);
  Serial.print("sin(");
  Serial.print(angle1);
  Serial.print(" degrees) = ");
  Serial.println(sin1);
  int angle2 = 45;
  float sin2 = calculateSin(angle2);
  Serial.print("sin(");
  Serial.print(angle2);
  Serial.print(" degrees) = ");
  Serial.println(sin2);
  int angle3 = 60;
  float sin3 = calculateSin(angle3);
  Serial.print("sin(");
  Serial.print(angle3);
  Serial.print(" degrees) = ");
  Serial.println(sin3);
}

void loop() {
  
}