COS(DTOR(180)) && Displays -1.00 STORE PI( ) * 3 TO gnAngle ? COS(gnAngle) && Displays -1.00 See Also Reference ACOS( ) Function DTOR( ) Function RTOD( ) Function SET DECIMALS Command SIN( ) Function Other Resources Functions Language Reference (Visual FoxPro)
cos() 巨集 <tgmath.h> 如需相容性詳細資訊,請參閱相容性。 範例 請參閱、 sinlsinf中的sin範例。 另請參閱 數學與浮點支援 acos、、 acosfacosl asin、、 asinfasinl atan、、atanfatanl、atan2、、atan2f、atan2l _matherr sin、、 sinfsinl tan、、 tanftanl意見...
CLEAR ? COS(0) && Displays 1.00 ? COS(PI( )) && Displays -1.00 ? COS(DTOR(180)) && Displays -1.00 STORE PI( ) * 3 TO gnAngle ? COS(gnAngle) && Displays -1.00 See Also ACOS( ) Function|DTOR( ) Function|RTOD( ) Function|SET DECIMALS Command|SIN( ) Function...
Example 复制 CLEAR ? COS(0) && Displays 1.00 ? COS(PI( )) && Displays -1.00 ? COS(DTOR(180)) && Displays -1.00 STORE PI( ) * 3 TO gnAngle ? COS(gnAngle) && Displays -1.00 See Also ACOS( ) | DTOR( ) | RTOD( ) | SET DECIMALS | SIN( )中文...
static void UseSineCosine(double degrees) { double angle = Math.PI * degrees / 180.0; double sinAngle = Math.Sin(angle); double cosAngle = Math.Cos(angle); // Evaluate sin^2(X) + cos^2(X) == 1. Console.WriteLine( "\n Math.Sin({0} deg) == {1:E16}\n" + " Math.Cos({...
sincos (x, out s, out c) 参数 展开表 项说明 X [in]指定的值(以弧度为单位)。 s [out]返回 x 的正弦值。 C [out]返回 x 的余弦值。 返回值 无。 类型说明 展开表 名称 模板类型 组件类型大小 x 标量、 矢量或矩阵 FLOAT any s 与输入 x 相同 FLOAT 与输入x 相同的维度 (s) c 与...
Z = cospi(X) Z =1×51 0 -1 0 1 Z(2) ans = 0 Input Arguments collapse all Input array, specified as a scalar, vector, matrix, multidimensional array, table, or timetable. Data Types:single|double|table|timetable Complex Number Support:Yes ...
Cos is a trigonometric function with periodic properties, while cosh is a hyperbolic function with exponential growth characteristics. 6 How do the derivatives of cos and cosh differ? The derivative of cos is -sin, reflecting the sine function with a negative sign, whereas the derivative of cosh...
Compare the accuracy of cospi(X) vs. cos(X*pi). Create a vector of values. Get X = [0 1/2 1 3/2 2]; Calculate the cosine of X*pi using the normal cos function. Get Y = cos(X*pi) Y = 1×5 1.0000 0.0000 -1.0000 -0.0000 1.0000 The results contain small numerical erro...
Steps for Solving Word Problems Involving a Sine or Cosine Function in the Form {eq}f(x) = a\cos(bx)\, or\, f(x)= a\sin(bx) {/eq} Step 1: Determine if {eq}f(x) {/eq} is described as {eq}a\sin(bx) {/eq} or {e...