Trigonometric functions: Difference between revisions
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(add E example) |
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}
</lang>
=={{header|E}}==
{{trans|ALGOL 68}}
<lang e>def pi := (-1.0).acos()
def radians := pi / 4.0
def degrees := 45.0
def d2r := (pi/180).multiply
def r2d := (180/pi).multiply
println(`$\
${radians.sin()} ${d2r(degrees).sin()}
${radians.cos()} ${d2r(degrees).cos()}
${radians.tan()} ${d2r(degrees).tan()}
${def asin := radians.sin().asin()} ${r2d(asin)}
${def acos := radians.cos().acos()} ${r2d(acos)}
${def atan := radians.tan().atan()} ${r2d(atan)}
`)</lang>
Output:
0.7071067811865475 0.7071067811865475
0.7071067811865476 0.7071067811865476
0.9999999999999999 0.9999999999999999
0.7853981633974482 44.99999999999999
0.7853981633974483 45.0
0.7853981633974483 45.0
=={{header|Forth}}==
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