The normal form of the eqatuion of the line `x+sqrt(3y) + 4 = 0` is (A) `x cos 60^0 + y sin 60^0 = 2` (B) `x cos 24^0 - y sin 24^0 - 2` (C) `x cos 240^0 + y sin 240^0 - 2` (D) none of these

If y sin 45^0 cos 45^0 = tan^2 45^0 cos^2 30^0 then y =

The area of the triangle formed by the lines x=0y=0 and x sin18^(@)+y cos36^(@)+1=0 is

The solution of the differential equation x sin d (dy)/(dx) + ( x cos x + sin x ) y = sinx . When y (0)=0 is

If x cos 60^@ + y cos 0^@ = 3 and 4x sin 30^@ - y cot 45^@ = 2 , then what is the value of x ?

Solution of differential equation (2x cos y + y ^ (2) cos x) dx (2y sin xx ^ (2) sin y) dx = 0 is (a) x ^ (2) cos y + y ^ (2) sin x = C (b) x cos yy sin x = C (c) x ^ (2) cos ^ (2) y + y ^ (2) sin ^ (2) x = C (d) x cos y + y sin x = C

The angle between the plane 3x+4y=0 and the line x^2+y^2=0 is (A) 0^0 (B) 30^0 (C) 60^0 (D) 90^0

cos (x + y), sin (x + y), - cos (x + y) sin (xy), cos (xy), sin (xy) sin2x, 0, sin2y] | = sin2 (x + y)

If x cos 60^(@) + y cos 0^(@) = 3 and 4x sin 30^(@) - y cot 45^(@) = 2 , then what is the value of x ?

The solution of (dy) / (dx) + (y cos x + sin y + y) / (sin x + x cos y + x) = 0 is

The roots of the equation 4x^2-2sqrt(5)x+1=0,a r e (a)sin36^0,sin18^0 (b) sin18^0,cos36^0 (c)sin36^0,cos18^0 (d) cos18^0,cos36^0