Home
Class 11
MATHS
For the smallest positive values of xa n...

For the smallest positive values of `xa n dy ,` the equation `2(sinx+sin y)-2cos(x-y)=3` has a solution, then which of the following is/are true? (a)`sin(x+y)/2=1` (b) `cos((x-y)/2)=1/2` (c)number of ordered pairs `(x , y)` is 2 (d)number of ordered pairs `(x , y)i s3`

Promotional Banner

Similar Questions

Explore conceptually related problems

The general solution of the differential equation (dy)/(dx)+sin((x+y)/2)=sin((x-y)/2) is

Find the number ordered pairs (x ,y)ifx ,y in {0,1,2,3, , 10}a n dif|x-y|> 5.

The number of ordered pairs (x,y) , where x , y in N for which 4 , x , y are in H.P. , is equal to

If x and y are positive integer satisfying tan^(-1)((1)/(x))+tan^(-1)((1)/(y))=(1)/(7) , then the number of ordered pairs of (x,y) is

Prove that for all real values of xa n dy ,x^2+2x y+3y^2-6x-2ygeq-11.

Find the differential equation for the following y = e^(3x) (A cos 2x+B sin 2x)

Suppose that for some angles xa n dy , the equations sin^2x+cos^2y=(3a)/2a n dcos^2x+sin^2y=(a^2)/2 hold simultaneously. the possible value of a is ___________

Find the ordered pair (x ,y) for which x^2-y^2-i(2x+y)=2idot

If x lt 4 " and " x, y in {1, 2, 3, .., 10} , then find the number of ordered pairs (x,y).

prove that (sin x-sin y)/(cos x+cos y) = tan "" ( x-y)/(2)