Home
Class 12
MATHS
The number of integral values of a for w...

The number of integral values of a for which the equation `cos2x+asinx=2a-7` possesses a solution is

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC EQUATION

    MOTION|Exercise EXERCISE 3|28 Videos

  • TRIGONOMETRIC EQUATION

    MOTION|Exercise EXERCISE 4|10 Videos

  • TRIGONOMETRIC EQUATION

    MOTION|Exercise EXERCISE 1|23 Videos

  • TRIGNOMETRIC RATIOS & IDENTITIES

    MOTION|Exercise Exercise -4(Level -II)|9 Videos

  • VECTOR

    MOTION|Exercise EXERCISE - 4 ( LEVEL-II)|41 Videos

Similar Questions

Explore conceptually related problems

The number of integral values of a for which the equation cos2x+a sin x=2a-7 possessess a solution.

The number of integral values of k for which the equation 7cos x+5sin x=2k+1 has a solution is (1)4(2)8(3)10(4)12

The equation a sin x+cos2x=2a-7 possesses a solution if

Find the number of integral values of k for which the equation 12cosx - 5 sinx = 2k+1 has a solution.

The number of integral value of k for which the equation 7cos x+5sin x=2k+1 has a solution is

f(x)=tan^(-1)x-(2)/(pi)(tan^(-1)x)^(2)+(4)/(pi^(2))(tan^(-1)x)^(3)-....oo, then the sum of integral values of a for which the equation f^(2)(x)+(sin^(-1)x)^(2)=a, possess solution,is:

Find the number of integral values of k for which the equation 7 cos x+5 sin x=2k+1 has at least one solution.

Find the number of integral values of lambda, for which equation 4cos x+3sin x=2 lambda+1 has a solution.