Menentukan nilai 1 – cos² 60°

By Admin ReiPosted on October 29, 2022

Menentukan nilai 1 – cos² 60°

$1 - { cos(60) }^{2} = 1 - ( frac{1}{2} ) {}^{2} \ = 1 - frac{1}{4} = frac{4 - 1}{4} = frac{3}{4}$
moga membantu folllw me..ikuti