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" (vii) "(cos theta)/(1-sin theta)+(cos ...

" (vii) "(cos theta)/(1-sin theta)+(cos theta)/(1+sin theta)=2sec theta

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Prove the following identities: (cos theta)/(1-sin theta)+(cos theta)/(1+sin theta)=2sec theta

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(cos theta)/(1+sin theta)+(1+sin theta)/(cos theta)=2sec theta

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