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Solve the differential equation `(dy)/(dx)=(1-cos2y)/(1+cos2y)`. |
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Answer» `(dy)/(dx)=(1-cos2y)/(1+cos2y)` `=(2sin^(2)y)/(2cos^(2)y)=tan^(2)y` `implies cot^(2)ydy=dx` `implies intcot^(2)ydy=intdx+c` `implies int(cosec^(2)y-1)dy=intdx+c` `implies-coty-y=x+c`. |
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