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[" (ख) सिद्ध कीजिए: "(1-sin theta)(1+sin...

[" (ख) सिद्ध कीजिए: "(1-sin theta)(1+sin theta)(1+tan^(2)theta)=1],[" (ग) सिद्ध कीजिए कि बिन्दु "(1,5),(2,3)" अके "]

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