Prove that whole root (1+cos theta)/(1-cos theta)+whole root (1-cos theta)/(1+cos theta)=2 cosec theta
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i have proved it. it may help you
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Step-by-step explanation:
1..=whole root of (1+cos teta)/(1-cos teta)+whole root of (1-cos teta) /(1+cos Teta) 2cosec Tera.
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