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=={{header|Elena}}==
{{trans|C++}}
<lang elena>#import system'math.
#import extensions.
program =
[
console writeLine:printLine("Radians:").
console writeLine:printLine("sin(π/3) = ":(,(pi_value/3) sin).
console writeLine:printLine("cos(π/3) = ":(,(pi_value/3) cos).
console writeLine:printLine("tan(π/3) = ":(,(pi_value/3) tan).
console writeLine:printLine("arcsin(1/2) = ":(,0.5r arcsin).
console writeLine:printLine("arccos(1/2) = ":(,0.5r arccos).
console writeLine:printLine("arctan(1/2) = ":(,0.5r arctan).
console writeLineprintLine.
console writeLine:printLine("Degrees:").
console writeLine:printLine("sin(60º) = ":(,60.0r radian; sin).
console writeLine:printLine("cos(60º) = ":(,60.0r radian; cos).
console writeLine:printLine("tan(60º) = ":(,60.0r radian; tan).
console writeLine:printLine("arcsin(1/2) = ":(,0.5r arcsin; degree):,"º").
console writeLine:printLine("arccos(1/2) = ":(,0.5r arccos; degree):,"º").
console writeLine:printLine("arctan(1/2) = ":(,0.5r arctan; degree):,"º").
console readChar.
].</lang>
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