Question

he legs of a right triangle are lengths x and x sqrt 3. The cosine of the smallest angle of the triangle is _____.


sqrt 3

(sqrt 3)/2

2 sqrt 3

Answer 1

sqrt3/2, understand?

Answer 2

makes right triangle, solve for hypotenuse
use pytageron theory
cos is adjacent/ hypotenuse
cos sqrt3/2

Answer 3

basically use the unit circle, it ask when cos 30 degree, so sqrt3/2

Answer 4

thnx:)