(sum of (2^(n+1)* tan((pi/4)/(2^n)) *sin((pi/2)/(2^n))^2) from n= 0 to n = inf)(sum of (2^(n+1)* tan((pi/4)/(2^n)) *sin((pi/2)/(2^n))^2) from n= 0 to n = inf)

• Natural Language
• Math Input