Home
Class 12
MATHS
The solution of the equation cos^2theta+...

The solution of the equation `cos^2theta+sintheta+1=0` lies in the interval

A

`(-pi/4,pi/4)`

B

`(pi/4,(3pi)/4)`

C

`((3pi)/4,(5pi)/4)`

D

`((5pi)/4,(7pi)/4).`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIOS, IDENTITIES AND EQUATIONS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTION(LEVEL-II)|86 Videos

  • TRIGONOMETRIC RATIOS, IDENTITIES AND EQUATIONS

    MODERN PUBLICATION|Exercise LATEST QUSTIONS FROM AIEEE/JEE EXAMINATIONS|8 Videos

  • THREE DIMENSIONAL GEOMETRY

    MODERN PUBLICATION|Exercise Recent Competitive Questions (RCQs)|10 Videos

  • UNIT TEST PAPER NO - 4

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|25 Videos

Similar Questions

Explore conceptually related problems

The general solution of the equation sintheta+costheta=1 is

Let p,qin N and q gt p , the number of solutions of the equation q|sin theta |=p|cos theta| in the interval [0,2pi] is

The number of real solutions of the equation : cos^(7)x + sin^(4)x = 1 in the interval [-pi,pi] is :

Find the number of real solution of the equation (cos x)^(5)+(sin x)^(3)=1 in the interval [0, 2pi]

The general solution of the equation tan2thetatantheta=1 for n in Z is, theta=

The number of solutions of the equations y=1/3[sin theta+[sin theta +[sin theta]]] and [y+[y]]=2 cos theta [ where , [.] denote the greatest integer function ] is/are

The solution set of sin^(2)theta=costheta+(1)/(4) , in the interval 0lethetale2pi , is

The general value of theta which satisfies the equation (cos theta + isin theta) (cos 3theta+ isin3theta)…[cos(2n-1)theta+isin(2n-1)theta]=1 is

The number of solution of the equation 5 sec theta -13=12 tan theta in [0,2pi] is

The number of solutions of the paires of equations : 2sin^(2)theta - cos2theta = 0 , 2cos^(2)theta - 3sintheta = 0 in the interval [0,2pi] is :