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Jasman Asked a Question
August 4, 2020 3:58 pmpts 30 pts
why we are supposing x=acos t, y=a sin t? question is not saying to prove any particular value. then why this supposirion has taken?
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  • Vaishnavi rajora Best Answer
    dear in 2D this represents a circle and for circle this is relation b/w polar and Cartesian coordinate syste
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  • Somnath thankyou
    See here you have to integrate F.dr around the closed circular path x2+y2=a2. so here are two variable in the integration x and y. But if we use parametric equation of a circle i.e...
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  • Vaishnavi rajora
    because surface would be simply area. and area is in 2D so we consider it as above
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  • Vaishnavi rajora
    hope u got it dear
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