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[" 17.यदि "a cos theta-b sin theta=c," त...

[" 17.यदि "a cos theta-b sin theta=c," तब "a sin theta+b cos theta=],[[" (a) "+-sqrt(a^(2)+b^(2)+c^(2))," (b) "+-sqrt(a^(2)+b^(2)-c^(2))],[" (c) "+-sqrt(c^(2)-a^(2)-b^(2))," (d) इनमें कोई नहीं "]]

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