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सिद्ध कीजिए कि sin 30^(@)*cosec 30^(@)*t...

सिद्ध कीजिए कि `sin 30^(@)*cosec 30^(@)*tan 30^(@)=(1)/(sqrt3)`

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(sin 30^@)/(1+cos30^@)+ (1+cos30^@)/(sin 30^@) = ?

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