MarshBR18
MarshBR18
23-05-2016
Mathematics
contestada
help?? I suck in the math field so please help
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caylus
caylus
23-05-2016
Hello,
PO²=12²+5²=13²
sin² x= (5/13)²
cos² y=(5/13)²
sin² x=cos² x
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