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The -number of solutions of the equation...

The -number of solutions of the equation `cos(pisqrt(x-4)cos(pi sqrtx)=1` is

A

` gt 2 `

B

`2`

C

1

D

0

Text Solution

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The correct Answer is:
C
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ARIHANT MATHS-TRIGONOMETRIC EQUATIONS AND INEQUATIONS-Exercise (Single Option Correct Type Questions)
  1. General solution of tan theta+tan 4 theta+tan 7 theta=tan theta tan 4 ...

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  2. Find the number of solution of the equation e^(sinx)-e^(-sinx)-4=0

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  3. The -number of solutions of the equation cos(pisqrt(x-4)cos(pi sqrtx)=...

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  4. The number of real solution of equation Sin(e^x) = 5^x + 5^(-x) is :

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  5. ABC is a triangle such that sin(2A+B)=sin(C-A)=-sin(B+2C)=1/2. If A,B...

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  6. Let 2 sin^(2)x + 3 sin x -2 gt 0 and x^(2)-x -2 lt 0 ( x is measured ...

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  7. The number of points of intersection of the two curves y=2 sin x and...

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  8. The number of all the possible triplets (a1,a2,a3) such that a1+a2cos(...

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  9. If the equation sin^4x-(k+2)s in^2x-(k+3)=0 has a solution then k must...

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  10. In the interval [-pi/2,pi/2] the equation log(sin theta)(cos 2 theta)=...

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  11. sum(i=1)^n costhetai=n then sum(i=1)^n sinthetai

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  12. If (sin alpha)^(x)+(cos alpha)^(x) ge 1,0 lt a lt (pi)/(2) then

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  13. The most general values of 'x' for which sin x + cos x ="min"(a in R)...

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  14. Value of ^(6)x' and 'y' satisfying the equation sin^(7)y=|x^(3)-x^(2)-...

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  15. If max{5sin theta+3sin(theta-alpha)}=7 then the set of possible vaues ...

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  16. Find the number of integral value of n so that sinx(sinx+cosx)=n has a...

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  17. The total number of solution of sin {x}= cos {x} (where {.} denotes th...

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  18. If a , b in [0,2pi] and the equation x^2+4+3sin(a x+b)-2x=0 has at lea...

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  19. The value of 'a' for which the equation 4cosec^(2)pi(a+x)+a^(2)-4a=0 h...

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  20. If the equation 2 cos x + cos 2 lambda x=3 has only one solution , t...

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