Question and Answers Forum

All Questions      Topic List

Trigonometry Questions

Previous in All Question      Next in All Question      

Previous in Trigonometry      Next in Trigonometry      

Question Number 48711 by somil last updated on 27/Nov/18

Commented by mr W last updated on 27/Nov/18

$$A+B+C=\pi$$$$A+B=\pi -C$$$$\frac{A+B}{2}=\frac{\pi }{2}-\frac{C}{2}$$$$\sin \left(\frac{A+B}{2}\right)=\sin (\frac{\pi }{2}-\frac{C}{2})=\cos \frac{C}{2}$$

Answered by tanmay.chaudhury50@gmail.com last updated on 27/Nov/18

$$sin\left(\frac{A+B}{2}\right)$$$$=sin\left(\frac{\pi -C}{2}\right)$$$$=sin(\frac{\pi }{2}-\frac{C}{2})$$$$=Cos\left(\frac{C}{2}\right)$$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com