Trigonometric equation

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jagdish
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Joined:Wed Jan 19, 2011 2:21 pm
Location:India (Himanchal Pradesh)
Trigonometric equation

Unread post by jagdish » Sun Jan 22, 2012 7:55 pm

Prove that equation $\sec x+\csc x = c$ has $2$ solution when $c^2<8$ and $4$ solution when $c^2>8$

where $0<x<2\pi$
jagdish
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