It is cosine*cosine*cosine.
Cos(60) = -0.95241 assuming that angles are measured in radians, as would be done by most mathematicians. If they are measured in degrees, the answer is 0.5
Cosine = Adjacent/hypotenuse
The derivative of negative cosine is positive sine.
-- If the "14" is degrees, then the cosine is 0.970 . -- If the "14" is radians, then the cosine is 0.137 . -- If the "14" is grads, then the cosine is 0.976 .
60 degrees = 0.5 1/2
int main (void) { puts ("Cosine of 60° is 1/2"); return 0; }
It is cosine*cosine*cosine.
The distance along one degree of longitude is 60 nautical miles at the equator and less at latitudes away from the equator. In fact it is 60 nautical miles times the cosine of the latitude, so 60 at the equator zero at the poles, and 30 nautical miles at 60 degrees north or south..
sin(30) = sin(90 - 60) = sin(90)*cos(60) - cos(90)*sin(60) = 1*cos(60) - 0*sin(60) = cos(60).
Cos(60) = -0.95241 assuming that angles are measured in radians, as would be done by most mathematicians. If they are measured in degrees, the answer is 0.5
The length of the other two sides is 7 cosine (60) and 7 cosine (30)that is 3.5 and 6.062 cmthe perimeter = 7 + 3.5 + 6.062 = 16.562 cm
60 at the equator, decreasing steadily to zero at the poles. In general: (60) times (the cosine of the latitude).
Power in an electric, AC circuit is the product of Volts, Amps, and the Cosine of the angle that separates them. When the Amps lag behind the Volts by 60 degrees, the product of Volts, Amps, and the Cosine of the angle between them provides half the power that would otherwise be available without the 60 degree angle. At 60 degrees, the cosine is 0.5 and at 90 degrees it is zero. So the product of Volts and Amps whenever they are 90 degrees out of phase will result in zero power.
what is the cosine of 3.14 ?
Cosine of 1 degree is about 0.999848. Cosine of 1 radian is about 0.540302.
Using the cosine ratio: 2*cos(60) = 1 Answer: 1 foot