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3.9 ɸ½à¿ô³Ø´Ø¿ô

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Function: sin arg
Function: cos arg
Function: tan arg

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Function: asin arg

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Function: acos arg

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Function: atan arg

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Function: exp arg

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Function: log arg &optional base

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Function: log10 arg

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Function: expt x y

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Function: sqrt arg

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