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यदि 0^(@) lt theta lt 90^(@), तो निम्नलि...

यदि `0^(@) lt theta lt 90^(@),` तो निम्नलिखित समीकरणों को हल कीजिए :
`( cos theta)/(cosec theta + 1)+( cos theta)/(cosec theta - 1) = 2`

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