Question

Solution

Correct option is

SIMILAR QUESTIONS

Q1

The arithmetic mean of the roots of the equation 4 cos3 x – 4 cos2 x – cos (π + x) – 1 = 0 in the interval (0, 315) is equal to

Q2

 then cos 2x is equal to

Q3

The value of x between 0 and 2π which satisfy the equation  are in A.P. The common different of the A.P. is

Q4

The equation (cos p – 1)x2 + (cos p)x + sin p = 0 where x is a variable, has real roots if p lies in the interval

Q5

The smallest positive number p for which the equation cos(p sinx) = sin(pcos x) has a solution ∈ [0, 2π]

Q6

Number of solutions of pair xy of the equation sin x sin y = min{–1, α2 – 4α + 5}, α ∈ R (where 0 < x < π, – π < y < 0) is

Q7

  then sin x lies in

 

Q8

Number of solution of the equation 

 

Q9

Let α β [– π π] be such that cos (α – β) = 1 and cos(α + β) = 1/e, The number of pairs of α, β satisfying the above system of equation is

Q10

If sin 3α = 4 sin α sin (x + α) sin (x – α), then 864 sin2 x + 3620 cos2 x is equal to.