Return the sine of a number

Daftar Isi

• sin EXPR

• sin

  Returns the sine of EXPR (expressed in radians). If EXPR is omitted,returns sine of $_.

  For the inverse sine operation, you may use the Math::Trig::asinfunction, or use this relation:

   sub asin { atan2($_[0], sqrt(1 - $_[0] * $_[0])) }