List of top Mathematics Questions

The value of the expression tan 1$^\circ$ tan 2$^\circ$ tan 3$^\circ$ tan 4$^\circ$ ______tan 87$^\circ$ tan 88$\circ$ tan 89$^\circ$ is equal to
The value of the determinant of $\begin{bmatrix}x+1&x+2&x+4\\ x+3 &x+5&x+8\\ x+7 &x+10&x+14\end{bmatrix}$ is :
The value of the definite integral $\int\limits_{0}^{1}\frac{x\,dx}{x^3+16}$ lies in the interval [a, h], The smallest such interval is
The value of $tan3A - tan2A - tanA$ is equal to
The value of $\frac{\tan \, x}{\tan \, 3x}$ wherever defined never lies between
The value of tan $(\frac {\pi} {4} + \theta)$ tan $(\frac {3\pi} {4} + \theta)$
The value of $\tan \, 20^{\circ} + 2 \, \tan \, 50^{\circ} - \tan \, 70^{\circ} $ is :
The value of $\tan \, 3A- \tan \, 2A- \tan \, A$ is:
The value of $\tan 81^{\circ} -\tan 63^{\circ} -\tan 27^{\circ} + \tan 9^{\circ}$ is equal to
The value of $tan^{-1}\left(\frac{3}{4}\right)+ tan^{-1}\left(\frac{1}{7}\right)$ is
The value of $\tan \left[2\,\tan^{-1}\frac{1}{5}-\frac{\pi}{4}\right]$ is
The value of $\tan^{-1}\frac{1}{3}+\tan^{-1}\frac{1}{5}+\tan^{-1}\frac{1}{7}+\tan^{-1}\frac{1}{8}$ is
The value of $\left[\tan^{-1} \left( \frac{1}{2}\right) + \tan^{-1} \left(\frac{1}{3}\right)\right] $ is :
The value of $\tan^{-1}\frac{1}{2}+\tan^{-1}\frac{1}{3}+\tan^{-1}\frac{7}{8}$ is
The value of $sin50^{\circ} - sin70^{\circ} + sin10^{\circ}$ is equal to
The value of $\sum^{n}_{r =1} \frac{^nP_r}{r!} $ is :
The value of $\sin (\cot^{-1}x)$ is
The value of $sin\left(45^{\circ}+\theta\right)-cos\left(45^{\circ}-\theta\right)$ is
The value of $\sin \left[ n \pi + (-1)^n \frac{\pi}{4} \right], n \in I$ is
The value of $sin \frac{\pi}{10}sin \frac{13\pi}{10}$ is
The value of $\sin^{-1} \cos (sin^{-1}x)+\cos^{-1} \sin(\cos^{-1}x)$ is
The value of sin 10$^\circ$ + sin 20$^\circ$ + sin 40$^\circ$ + sin 50$^\circ$ = sin 70$^\circ$ + sin 80$^\circ$ is equal to
The value of sin 20$^\circ$ sin 40$^\circ$ sin 60$^\circ$ sin 80$^\circ$ is equal to
The value of $\sin \, 20^{\circ} \, \sin \, 40^{\circ} \sin \, 60^{\circ} \, \sin \, 80^{\circ}$ is
The value of $\sec\left[\tan^{-1}\frac{b+a}{b-a}-\tan^{-1}\frac{a}{b}\right]$ =