Question

Jawabannya please saya butuh banget

Answer 1

Sudut s = 90
sudut t = 60
sudut r = 180 - (90 + 60) = 30

(sin 60)^2 + (sin 30)^2
= (1/2 √3)^2 + (1/2)^2
= 3/4 + 1/4
= 1

Answer 2

Semoga dapat membantu