Angle (degrees)Angle (radians)Cosine 0°01 15°π/12√6 + √2/4 30°π/6√3/2 45°π/4√2/2 60°π/31/2 75°5π/12√6 –√2/4 90°π/20 105°7π/12–√6 –√2/4 120°2π/3–1/2 135°3π/4–√2/2 150°5π/6–√3/2 ...
Cosine calculator to easily calculate the cosine function of any number. ➤ Calculate cos(x) with our trigonometric calculator. Cos calculator with degrees and radians to express the angle.
其中angle_in_radians是以弧度为单位的角度值,cosine_value是计算得到的余弦值。 三、cos函数的参数 cos函数只有一个参数,即表示角度的弧度值。在调用cos函数时,需注意参数的类型和范围,以确保程序能够正确计算。 四、cos函数的返回值 cos函数的返回值是给定角度的余弦值,类型为浮点数。返回值范围在-1到1之间,代...
cos z是指以弧度为单位的角z的余弦值（即cosine of an angle z in radians）。要计算它的值，您可以按照以下步骤进行：1.使用三角函数表或计算器查找z的余弦值，或通过数学软件进行计算。2.如果您要手动计算，可以使用泰勒级数展开式来计算余弦(z)的近似值。泰勒级数展开式如下：cos(z) = 1 - ...
Formula Opis Rezultat =COS(1,047) Kosinus 1,047 radianov 0,5001711 =COS(60*PI()/180) Kosinus 60 stopinj 0,5 =COS(RADIANS(60)) Kosinus 60 stopinj 0,5
1. Arc Degrees (Radians)When measured in radians, we need to consider the angle's relationship to the unit circle. To find cos(3) in radians, we typically refer to the sine and cosine of multiples of π/6, since 3 radians is equivalent to 3 * π/6. By examining the ...
chart for sin, cos, tan, cosec, sec and cot at various degree of angles. The trigonometry chart given here is in Sexagesimal System which means the angles are expressed in degrees. The trigonometric table can also be given in circular system which means the angles are expressed in radians...
楼主是不是用计算器算的啊？如果是用计算器算三角比的话，要注意计算器是弧度制（radian mode）还是角度制（degree mode）。一般科学计算器上会显示“DEG”表示角度制、“RAD”表示弧度制。如果在角度制下算弧度的三角比或是在弧度制下算角度的三角比，就会出现这个问题。
NameTypeRequiredDescription numberreal✔️The value in radians for which to calculate the cosine. Returns The cosine ofnumberof radians. Example Kusto printcos(1) Output Expand table result 0.54030230586813977 Feedback Was this page helpful? YesNo...
1 Sin( Pi()/2 ) Returns the sine of 1.570796... radians or 90 degrees. 1 Tan( Radians(60) ) Returns the tangent of 1.047197... radians or 60 degrees. 1.732050... Acos( 0.5 ) Returns the arccosine of 0.5, in radians. 1.047197... Acot( 1 ) Returns the arccotangent of 1, in...