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If sqrt(1+x^(2))sintheta=x," Prove that ...

If `sqrt(1+x^(2))sintheta=x," Prove that "tan^(2)theta+cot^(2)theta=x^(2)+(1)/(x^(2)`

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The correct Answer is:
`thereforetan^(2)theta+cot^(2)theta=x^(2)+(1)/(x^(2)`
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