whoopiecush
whoopiecush
28-04-2017
Mathematics
contestada
sin^2xcsc^2x=sin^2x+cos^2x
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mreijepatmat
mreijepatmat
28-04-2017
The second part = 1
the second part could be written sin²x.(1/sin²x), since cscx =1/sinx
hence 1 = 1
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