repl.txt (482B)
1 2 {{alias}}( x ) 3 Computes the versed sine. 4 5 The versed sine is defined as `1 - cos(x)`. 6 7 Parameters 8 ---------- 9 x: number 10 Input value (in radians). 11 12 Returns 13 ------- 14 y: number 15 Versed sine. 16 17 Examples 18 -------- 19 > var y = {{alias}}( 3.14 ) 20 ~2.0 21 > y = {{alias}}( -4.2 ) 22 ~1.490 23 > y = {{alias}}( -4.6 ) 24 ~1.112 25 > y = {{alias}}( 9.5 ) 26 ~1.997 27 > y = {{alias}}( -0.0 ) 28 0.0 29 30 See Also 31 -------- 32