Question 64
The value of $$\cos 10^\circ \cos 30^\circ \cos 50^\circ \cos 70^\circ \cos 90^\circ$$ is:
Solution
$$cos10^{0}cos30^{0}cos50^{0}cos70^{0}cos90^{0}$$
= $$cos10^{0}cos30^{0}cos50^{0}cos70^{0}\times 0$$
($$\because cos90^{0} = 0$$)
= 0
Need AI Help?
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
