foo.c: In function 'main':
foo.c:8:5: warning: implicit declaration of function 'arcsin' [-Wimplicit-function-declaration]
C:\Users\ADMINI~1\AppData\Local\Temp\ccQGLVcI.o:foo.c:(.text.startup+0x42): undefined reference to `arcsin'
collect2: ld returned 1 exit status