यदि $\frac{3\pi}{4} < \alpha < \pi$ है,तो $\sqrt{\csc^2 \alpha + 2\cot \alpha}$ का मान क्या होगा?

  • A
    $1 + \cot \alpha$
  • B
    $1 - \cot \alpha$
  • C
    $-1 - \cot \alpha$
  • D
    $-1 + \cot \alpha$

Explore More

Similar Questions

यदि $\tan x = \frac{2b}{a - c}$ $(a \ne c)$,$y = a \cos^2 x + 2b \sin x \cos x + c \sin^2 x$ और $z = a \sin^2 x - 2b \sin x \cos x + c \cos^2 x$ है,तो:

Difficult
View Solution

यदि $\sec \theta = m$ और $\tan \theta = n$ है,तो $\frac{1}{m} \left[ m + n + \frac{1}{m + n} \right] = $

कथन $(S1): \sin 55^{\circ} + \sin 53^{\circ} - \sin 19^{\circ} - \sin 17^{\circ} = \cos 2^{\circ}$.
कथन $(S2): \frac{1}{3 - \cos 2x}$ का परिसर $\left[\frac{1}{4}, \frac{1}{2}\right]$ है।
निम्नलिखित में से कौन सा सही है?

यदि $\sin A + \sin 2A = x$ और $\cos A + \cos 2A = y$ है,तो $({x^2} + {y^2})({x^2} + {y^2} - 3) = $

मान लीजिए $f(x) = \frac{\sin(x-a) + \sin(x+a)}{\cos(x-a) - \cos(x+a)}$,तो

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo