सिद्ध कीजिए कि : \( (\sec \theta+\operatorname{cosec} \theta)(\sin \theta+\cos \theta)=\tan \the...
सिद्ध कीजिए कि : \( (\sec \theta+\operatorname{cosec} \theta)(\sin \theta+\cos \theta)=\tan \theta+\cot \theta+2=2+\sec \theta \operatorname{cosec} \theta \)
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