if x= sec^2A-1y=tan^2A-2 then x-3y equal to
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x-3y=3sec^2@ - 1 -(3tan^2 @ - 6)=3sec^2@ -1 -3tan^2 @ +6=3(sec^2@ - tan ^2@) + 5=3+5=8 where ^ shows power....:-)
So easy question:)
So easy question:)
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