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 $.

Sat, 09 May 2026 20:38:39 +0000

Content under review