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ICSE Class 10 Answered

if cosec^2 theta = 4xy/(x+y)^2; then find the relation between x and y
Asked by kmondaldgms | 19 Aug, 2018, 12:26: AM
answered-by-expert Expert Answer
begin mathsize 16px style cosec squared straight theta equals fraction numerator 4 xy over denominator left parenthesis straight x plus straight y right parenthesis squared end fraction
cosec squared straight theta greater or equal than 1
rightwards double arrow fraction numerator 4 xy over denominator left parenthesis straight x plus straight y right parenthesis squared end fraction greater or equal than 1
rightwards double arrow left parenthesis straight x plus straight y right parenthesis squared less or equal than 4 xy
rightwards double arrow left parenthesis straight x plus straight y right parenthesis squared minus 4 xy less or equal than 0
rightwards double arrow left parenthesis straight x minus straight y right parenthesis squared less or equal than 0
rightwards double arrow straight x equals straight y end style
Answered by Sneha shidid | 20 Aug, 2018, 10:55: AM
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