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सिद्ध कीजिए कि:`sqrt((1+sinA)/(1-sinA))=secA+tanA.`

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बायाँ पक्ष `sqrt(1+sinA)`से गुना करने पर,
`=sqrt(((1+sinA)^(2))/(1-sin^(2)A))=sqrt(((1+sinA)^(2))/(cos^(2)A))`
`=(1+sinA)/(cosA)=(1)/(cosA)+(sinA)/(cosA)`
`=secA+tanA=` दायाँ पक्ष।

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