ight)^2 = rac{1}{2} $, $ 2x = rac{\pi}{2} $, $ \cos^2(2x) = \cos^2(rac{\pi}{2}) = 0 $, so $ f = 0.5 + 0 = 0.5 $.

Sun, 03 May 2026 08:06:44 +0000

Content under review