Question

prove that : 1-sinx/1+secx - 1+sinx/1-secx =2 cos x ( cot x + cosec²x )​

Answer 1

Answer:

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.