Is the equation 2 cos^2 theta + cos thet...

Is the equation `2 cos^2 theta + cos theta-6 = 0` possible ?

Topper's Solved these Questions

TRIGNOMETRY
MODERN PUBLICATION|Exercise EXERCISE|730 Videos
STRAIGHT LINES
MODERN PUBLICATION|Exercise EXERCISE|304 Videos

Similar Questions

Explore conceptually related problems

Is the equation 2 sin^2 theta -cos theta+ 4 = 0 possible ?

Solve the equation : sin theta- cos theta=- sqrt2 .

The number of solutions of the pair of equations: 2 sin^2 theta- cos 2 theta = 0, 2 cos^2 theta - 3 sin theta=0 in the interval [0, 2 pi] is :

Solve sin 3 theta + cos 2 theta = 0 .

sin^2theta+cos^2theta=1 .

Prove that all lines represented by the equation (2 cos theta + 3 sin theta ) x + (3 cos theta - 5 sin theta ) y = 5 cos theta - 2 sin theta pass through a fixed point for all theta What are the coordinates of this fixed point ?

Solve the following trigonometric equation : sin 2 theta + cos theta = 0 .

Eliminate theta between the equation : x =a cos theta + b sin theta, y =a sin theta- b cos theta .

Solve the following trigonometric equation : cos m theta +cos n theta = 0 .

Find theta , 0 cos theta = 0.9604 .

MODERN PUBLICATION-TRIGNOMETRY-EXERCISE

Prove that sectheta+costheta can never be equal to (3)/(2).
Text Solution
|
Prove that : cosec^2 theta+ sin^2 theta can never be less than 2.
Text Solution
|
Is the equation 2 cos^2 theta + cos theta-6 = 0 possible ?
Text Solution
|
Is the equation 2 sin^2 theta -cos theta+ 4 = 0 possible ?
Text Solution
|
Find the values of the remaining functions in the following problem : ...
Text Solution
|
Find the values of other five trignometrtic functions in each of the f...
Text Solution
|
Find the values of the remaining functions in the following problem : ...
Text Solution
|
Find the values of the remaining functions in the following problem : ...
Text Solution
|
Find the values of the remaining functions in the following problem : ...
Text Solution
|
Find the values of the remaining functions in the following problem : ...
Text Solution
|
Find the values of the remaining functions in the following problem : ...
Text Solution
|
Find the values of the remaining functions in the following problem : ...
Text Solution
|
Find the values of the remaining functions in the following problem : ...
Text Solution
|
If cos A=21/29 and A lies in the fourth quadrant, find sin A and tan A...
Text Solution
|
If sin A=21/29 and A lies in the second quadrant, find sec A + tan A=(...
Text Solution
|
If sin theta sec theta = -1 and theta lies in the second quadrant, f...
Text Solution
|
If cos theta cosec theta = -1 and theta lies in the fourth quadrant, ...
Text Solution
|
If sinA :cosA :: 8: 15, find sin A and cos A.
Text Solution
|
If cosec A -cot A= 3/2, find cos A and also the quadrant in which A li...
Text Solution
|
If secA + tan A = m, prove that : sinA= (m^2-1)/(m^2+1) .
Text Solution
|