$\cos A + \sin (270^\circ + A) - \sin (270^\circ - A) + \cos (180^\circ + A) = $

  • A
    $-1$
  • B
    $0$
  • C
    $1$
  • D
    इनमें से कोई नहीं

Explore More

Similar Questions

यदि $\operatorname{cosec} \theta - \cot \theta = p$ है,तो $\operatorname{cosec} \theta$ का मान क्या होगा?

यदि $\alpha, \beta, \gamma$ धनात्मक संख्याएँ इस प्रकार हैं कि $\alpha + \beta = \pi$ और $\beta + \gamma = \alpha$,तो $\tan \alpha$ का मान ज्ञात कीजिए - (जहाँ $\gamma \neq n\pi, n \in I$)

यदि $A + C = B$ है,तो $\tan A \tan B \tan C = $

$\cot 5^o - \tan 5^o - 2 \tan 10^o - 4 \tan 20^o - 8 \cot 40^o$ का मान ज्ञात कीजिए।

यदि $\sin \alpha = \frac{2pq}{p^2 + q^2}$ है,तो $\sec \alpha - \tan \alpha = $

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