$\sin ^{2} 1^{\circ} + \sin ^{2} 3^{\circ} + \sin ^{2} 87^{\circ} + \sin ^{2} 89^{\circ} = \ldots$

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $4$

Explore More

Similar Questions

सिद्ध कीजिए कि $\tan ^{4} \theta+\tan ^{2} \theta=\sec ^{4} \theta-\sec ^{2} \theta$

यदि $\tan 7 \theta \cdot \tan 3 \theta = 1$ है,तो $\theta$ का मान .......... है।

दिया गया है कि $\alpha + \beta = 90^{\circ}$,तो सिद्ध कीजिए कि $\sqrt{\cos \alpha \operatorname{cosec} \beta - \cos \alpha \sin \beta} = \sin \alpha$.

यदि $\cot \theta = \frac{a}{b}$ है,तो $\frac{\cos \theta - \sin \theta}{\cos \theta + \sin \theta} = \ldots$

यदि $\sec \theta = 1$ है,तो $\theta = \ldots \ldots \ldots$ ($^{\circ}$ में)

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