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 18841 by mondodotto@gmail.com last updated on 30/Jul/17

Answered by Tinkutara last updated on 31/Jul/17

$$\sqrt{2+\sqrt{2+\sqrt{2(1+\cos 8\theta )}}}$$$$=\sqrt{2+\sqrt{2(1+\cos 4\theta )}}=\sqrt{2(1+\cos 2\theta )}$$$$=2\cos \theta$$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com