Розмір відео: 1280 X 720853 X 480640 X 360
Показувати елементи керування програвачем
Автоматичне відтворення
Автоповтор
I did it
sin (theta) = cos ^ 2 ( theta) = 1 - sin^2 ( theta)(sin( theta) + 1/2)^2 = 5/4 sin(theta) =( √5 - 1)/2
could you not reject (-1-(5)^.5)/2 also because it is less than -1
SQR = ^.5 not ^2 hope no one noticed
I did it
sin (theta) = cos ^ 2 ( theta)
= 1 - sin^2 ( theta)
(sin( theta) + 1/2)^2 = 5/4
sin(theta) =( √5 - 1)/2
could you not reject (-1-(5)^.5)/2 also because it is less than -1
SQR = ^.5 not ^2 hope no one noticed