kassking
kassking
12-06-2016
Mathematics
contestada
Provide a counterexample:
sinx = 1/sinx
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nobillionaireNobley
nobillionaireNobley
16-06-2016
sin x = 1/sin x
[tex] sin^{2} x=1 \\ sin x= \pm1 \\ sinx=1 \ or \ sinx=-1 \\ x= sin^{-1} 1 \ or \ x= sin^{-1} (-1) \\ x= \frac{ \pi }{2} \ or \ x= \frac{3 \pi }{2} [/tex]
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