+91-87964 74404
FlagBACK
Question icon
Grade 11IIT JEE Entrance Exam

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

Profile image of Gouthami Yetukure
6 Years agoGrade 11
Answers icon

1 Answer

Profile image of Arun
6 Years ago
Dear student
 
As we know
 
tan theta = 2 sqrt (1 – 0) / 1 = 2
 
hence cos theta = 1 / sqrt (5)
 
Hope it helps

Other Related Questions on iit jee entrance exam

question mark

Let S={x:x belongs to R(√3+√2)^(x^2-4) - (√3-√2)^(x^2-4)=10}. Then n(S) is equal to-

iit jee entrance exam
1 Answer Available

Last Activity: 9 Months ago

question mark
My rank is 29k, General, should I opt for any state college cse branch or some Nits in which in which I am getting ECE , chemical, mechanics etc....
 
iit jee entrance exam
1 Answer Available

Last Activity: 3 Years ago

question mark
How is Ranquer Eduzone,comparing, Akash,Fitjee,Resonance,Naryana
iit jee entrance exam
1 Answer Available

Last Activity: 3 Years ago

question mark
Can class 9th students study syllabus class  of 11th 
iit jee entrance exam
3 Answers Available

Last Activity: 4 Years ago

question mark
Sum of series 2[n/2] ! [n/2]!/ n! [2Co-2C2+3C2....+[-1]^n[n+1]2Cn] where n is an even positive integer. Kindly provide solution of this question and how to generalise this. How do we know that which expansion will give this?
iit jee entrance exam
1 Answer Available

Last Activity: 4 Years ago