Home
Class 12
MATHS
If O is at the origin ,OA is along th...

If O is at the origin ,OA is along the negative x-axis and (-40,9) is point on OB , then the value of `sinangleAOB` is
a)`5//16`b)`9//40`c)`9//41`d)`19//41`

A

`5//16`

B

`9//40`

C

`9//41`

D

`19//41`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

The projection of a line segment on the axes are 9, 12 and 8. Then, the length of the line segment is a)15 b)16 c)17 d)18

The value of int_(0)^(6)|x-3|dx is equal to a)6 b)0 c)12 d)9

The line through the points (h, 3) and (4,1) intersects the line 7 x-9 y-19=0 at right angle. Find the value of h .

If (h,k) lies on 9x + 40y - 20 = 0 , what is the value of 9h + 40k ?

The vectors of magnitude a, 2a, 3a meet at a point and their directions are along the diagonals of three adjacent faces of a cube. Then, the magnitude of their resultant is a)5a b)6a c)10a d)9a

The line through the points (h,3) and (4,1) intersects the line 7x - 9y - 19 = 0 at right angle. find the value of h.

What is the distance of the point (h,k) from the line 9x + 40y + 21 = 0?

If int(x^(2)-4)/(x^(4)+9x^(2)+16)dx=tan^(-1)f(x)+C , then the value of f(4) is a)3 b)4 c)5 d)6

If 4x^(2) +py^(2) = 45 and x ^(2) - 4y^(2) = 5 cut orthogonally , then the value of p is : a) (1)/(9) b) (1)/(3) c)3 d)9