sine

• The cosine rather than the sine is customarily used in this case .
  在这种情况下，习惯上用余弦函数而不是正弦函数。
• We derive the addition formulas for sine and cosine from the arithmetic of complex numbers .
  用复数算术推导了正弦，余弦的加法公式。
• The expression for g can be rewritten in terms of trigonometric sines and cosines .
  关于g的表达式可以重写成三角函数的正弦和余弦形式。
• Let's now examine the simplest wave form where the profile is a sine or cosine curve .
  现在让我们来考察最简单的波形，它的剖面图是正弦或余弦曲线。
• Analysis and calculation on stable sine electric circuit
  正弦稳态电路的分析方法
• Returns the hyperbolic sine of the specified angle
  返回指定角度的双曲正弦值。
• The generalized difference method to the sine - gordon equation
  方程的广义差分法
• Analysis of sine circuits in stable state on the basis of
  进行正弦电路的稳态分析
• Digital pwm techniques for sine inverter power
  正弦逆变电源的数字脉宽调制技术
• Returns the angle whose sine is the specified number
  返回正弦值为指定数字的角度。