undefined reference for sin, cos etc.

Bhagat R. OP #1863096
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Hi all !

I'm getting "undefined reference to sin" for a simple program:
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#include <stdio.h>

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#include <stdlib.h>

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#include <math.h>

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int main ()

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{

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double a = 40.5;

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double b = sin (a);

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//printf("%f",b);

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return 0;

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}


The compiler is : arm-linux-gnueabi-gcc

Thanks in advance.
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alex Guest #1917114
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hello !
I have the same problem, but I have just started to program with C and I 
have not undestood your answer, insert -lm...

what I must do to compilate good my program ?

sorry for my bad english !!!

thank you
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