Sail E0 Webinar
Question
If cos20° = m and cos70° =n, then the value of m2 + n2 is?
Options:
A .  $$\frac{1}{2}$$
B .  1
C .  $$\frac{3}{2}$$
D .  $$\frac{1}{{\sqrt 2 }}$$
Answer: Option B

Submit Your Solution Below and Earn Points !
Next Question

Submit Solution

Your email address will not be published. Required fields are marked *

Latest Videos

Latest Test Papers