prove that : 1-sinx/1+secx - 1+sinx/1-secx =2 cos x ( cot x + cosec²x )
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prove that : 1-sinx/1+secx - 1+sinx/1-secx =2 cos x ( cot x + cosec²x )It is true that development for one may not be development for the other. (i) More wages means development for a worker, but it can go against the entrepreneur. (ii) A rich farmer or trader wants to sell food grains at a higher price but a poor worker wants to purchase it for low prices.
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