- #1
icystrike
- 445
- 1
Homework Statement
Show that [tex]cos^{2}(\theta)+cos^{4}(\theta)+cos^{6}(\theta)+cos^{8}(\theta)\approx 4cos^{4.3128}(\theta) , \mid\theta\mid\leq\pi/2[/tex]
and
[tex]cos^{2}(\theta)+cos^{4}+...+cos^{30}(\theta)\approx 15cos^{11.38211}(\theta) , \mid\theta\mid\leq\pi/2[/tex]
Homework Equations
The Attempt at a Solution
Any method?
Last edited by a moderator: