The equation 2 sin ^ 2 x + 7 sin x...

The equation ` 2 sin ^ 2 x + 7 sin x + 6 =0` has

A

two solutions

B

one solution

C

infinite number of solutions

D

no solution

Verified by Experts

The correct Answer is:

D

TRIGONOMETRIC FUNCTIONS
NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|134 Videos
TRIGONOMETRIC FUNCTIONS
NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|134 Videos
THREE DIMENSIONAL GEOMETRY
NEW JOYTHI PUBLICATION|Exercise Objective|36 Videos
VECTOR ALGEBRA
NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION|2 Videos

Similar Questions

Explore conceptually related problems

Solve the equation sin^2 x - 5 sin x + 4 = 0

If the equation sin ^(2) x - k sin x - 3 = 0 has exactly two distinct real roots in [0, pi] , then find the values of k .

If the equation sin^2 x-a sin x + b = 0 has only one solution in (0, pi) then which of the following statements are correct?

Solve sin 2x - sin 4x + sin 6x =0.

The total number of solution of the equation sin^4 x +cos^4 x = sin x cos x in [0,2pi] is :

Number of solutions of the equation sin x + cos x-2sqrt(2) sin x cos x=0 for x in [0, pi] is

The number of value of x in the interval [0,3pi] satisfying the equation 2 sin^2 + 5 sin x -3 =0 is

sin 3 x + 2 csin 4x + sin 6x = 4 cos ^(2) x sin 4x

sin ^(2) 6x - sin ^(2) 4x = sin 2x sin 10x