3.Trigonometrical Ratios, Functions and Identities
easy

$\sin \frac{31 \pi}{3}$ का मान ज्ञात कीजिए।

A

$\frac{\sqrt{3}}{2}$

B

$\frac{\sqrt{3}}{2}$

C

$\frac{\sqrt{3}}{2}$

D

$\frac{\sqrt{3}}{2}$

Solution

We know that values of sin $x$ repeats after an interval of $2 \pi .$ Therefore

$\sin \frac{31 \pi}{3}$

$=\sin \left(10 \pi+\frac{\pi}{3}\right)$

$=\sin \frac{\pi}{3}$

$=\frac{\sqrt{3}}{2}$

Standard 11
Mathematics

Similar Questions

Start a Free Trial Now

Confusing about what to choose? Our team will schedule a demo shortly.