prove that cosec² theta+sin²theta can never be less than 2
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Sec^2 theta+cos^2 theta
(1+tan^2theta)+(1+cot^2theta)
2+tan^2theta+cot^2theta
so,sec^2 theta+cosec^2 theta>2
(1+tan^2theta)+(1+cot^2theta)
2+tan^2theta+cot^2theta
so,sec^2 theta+cosec^2 theta>2
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thank u my dear lovely friend....
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