Questions & Answers - Ask Your Doubts

Ask your doubts to Learn New things everyday

Filters

All

Board/TargetAll

SubjectAll

GradeTrigonometric Equations and Inequations

TopicLatest Questions

Find the maximum integral value of ‘a’ for which the equation \[asinx + cos2x = 2a - 7\] has a solution?

In which of the following sets the inequality \[\sin^{6}x + \cos^{6}x > \dfrac{5}{8}\] holds good ?

A. \[\left( - \dfrac{\pi}{8},\dfrac{\pi}{8} \right)\]

B. \[\left( \dfrac{3\pi}{8},\dfrac{5\pi}{8} \right)\]

C. \[\left( \dfrac{\pi}{4},\dfrac{3\pi}{4} \right)\]

D. \[\left( \dfrac{7\pi}{8},\dfrac{9\pi}{8} \right)\]

A. \[\left( - \dfrac{\pi}{8},\dfrac{\pi}{8} \right)\]

B. \[\left( \dfrac{3\pi}{8},\dfrac{5\pi}{8} \right)\]

C. \[\left( \dfrac{\pi}{4},\dfrac{3\pi}{4} \right)\]

D. \[\left( \dfrac{7\pi}{8},\dfrac{9\pi}{8} \right)\]

Solve the equation $\cos 5x = \sin x$?

How do you solve \[3{\cos ^2}x + 5\sin x - 1 = 0\] ?

What is the solution of the equation $5\cos 2x + 1 = 3\cos 2x$ ?

How do you solve \[\tan x + \cot x - 2 = 0\]?

Solve the following for $x$:

$3{\tan ^{ - 1}}\left( x \right) + {\cot ^{ - 1}}\left( x \right) = \pi $

$3{\tan ^{ - 1}}\left( x \right) + {\cot ^{ - 1}}\left( x \right) = \pi $

Find the general solution of $\tan 2x = 0$ .

Find general solution for secx = 2

Find the general solution for tanx = $\sqrt{3}$

Find the general solution for ${{\sec }^{2}}2x=1-\tan 2x$

Find the general solution of sin2x + cosx = 0

Prev

1

2

3

4

5

Next