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Grade: 11
        
If theta is the angle between the lines represented by X square + B Y +2 X Y is equal to zero then cos theta is equal
one month ago

Answers : (1)

Arun
22364 Points
							
Dear student
 
As we know
 
tan theta = 2 sqrt (1 – 0) / 1 = 2
 
hence cos theta = 1 / sqrt (5)
 
Hope it helps
one month ago
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