butuh bantuannya ya teman untyk no 3 dan 4

A = teta
B = beta
3) A
x = √(3√5)^2 - 6^2
x = √45 - 36
x = √9
x = 3
tanA = depan sudut / samping sudut
tanA = 3/6
tanA = 1/2

4) E
x = √3^2 - (√6)^2
x = √9 - 6
x = √3
sinB = depan sudut / miring sudut
sinB = √3/3
sinB = 1/3√3 = 1/√3