If 0<θ<π2 and x=∑n=0∞cos2nθ , y=∑n=0∞sin2nθ , z= ∑n=0∞</ Prove that xyz=x+y+z .

If $0 < θ < \frac{π}{2}$ and x= $\sum_{n = 0}^{\infty} \cos^{2 n} (θ)$ , y= $\sum_{n = 0}^{\infty} \sin^{2 n} (θ)$ , z= $\sum_{n = 0}^{\infty</ Prove that xyz=x+y+z .Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.Check Undo Restart HintOKIndex =>}$