Sinusoidal curve y= cosθ y= sinθ in ASCII art

ASCII art generated on ascii.co.uk for:

“Sinusoidal curve y= cosθ y= sinθ”

    y
     ^
   1 +      ..--..                 ..--..
     |    .'      '.             .'      '.
     |  .'          '.         .'          '.     ....
     | /              \       /              \
     |/                \     /                \   ----
  ---+------------------\---/------------------\---------->
     |\                  \ /                  /
     | \                  X                  /
     |  '.              .' '.              .'
     |    '.          .'     '.          .'
  -1 +      '`--..--'`         '`--..--'`

        y =    (     )          y =    (     )

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