4cosx=11siny then find 11cosx-7siny/11cosx+7siny

4cos@=11sin@

find  value of 11cos@-7sin@/11cos@+7sin@
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1 Answer

cos(x)=11sin(y)/4, so (11cos(x)-7sin(y))/(11cos(x)+7sin(y))=

(121sin(y)/4-7sin(y))/(121sin(y)/4+7sin(y))=

(121/4-7)/(121/4+7)=(121-28)/(121+28)=93/149=0.624161 approx.
by Top Rated User (1.2m points)

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