Trigonometric Functions

• Cos
  Computes cosine of each vector element.
• Sin
  Computes sine of each vector element.
• SinCos
  Computes sine and cosine of each vector element.
• CIS
  Computes complex exponent of each vector element.
• Tan
  Computes tangent of each vector element.
• Acos
  Computes inverse cosine of each vector element.
• Asin
  Computes inverse sine of each vector element.
• Atan
  Computes inverse tangent of each vector element.
• Atan2
  Computes four-quadrant inverse tangent of elements of two vectors.

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