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हल करें `tanx+cotx=2`

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हल करें `tanx+cotx=2`
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प्रश्न से `tanx+cotx-2` या `tanx+(1)/(tanx)=2` या `(tan^(2)x+1)/(tanx)=2`
या `tan^(2)+1=2 tanx,` या `tan^(2)x-2tanx+1=0`
या `(tanx-1)^(2)=0,` या `tanx=1 "tan"(pi)/(4)`
`:.x=n pi+(pi)/(4),n in Z`
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