Question

Solution

Correct option is

SIMILAR QUESTIONS

Q1

The number of values of x in the interval [0, 3π] satisfying the equation 2sin2x + 5sinx – 3 = 0 is:

Q2

If 2sin2θ – 5sinθ + 2 > 0, θ  (0, 2π), then θ :

Q3

 

The number of solutions of the pair of equations   

     2sin2θ – cos2θ = 0   

    2cos2θ – 3sin θ = 0     

In the interval [0, 2π] is

Q4

 

If  are the smallest +ive angles n ascending order of magnitude which have their sines equal to a +ive quantity λ then the value of  

    

Q5

The equation a sinx + cos2x = 2a – 7 possesses a solution if

Q6

The number of values of x in the interval [0, 5π] satisfying the equation 3sin2x – 7sin x + 2 = 0 is

Q7

The number of solutions of the equation tan x.tan 4x = 1 for 0 < x < π is

Q8

If n be the number of solutions of the equation 

 

Q9

The values of x between 0 and 2π which satisfy the equation

 are in A.P. The common difference of the A.P. is

Q10

If 1 + sin θ + sin2θ + … to ∞ = 4 +  0 < θ < π, θ ≠ π/2, then