cosx=24/26 dan x sudut lancip,nilai tan x adalah?

cos x = 24/26
cos x = 12/13
cos x = x/r

y = akar (r^2 - x^2)
y = akar (13^2 - 12^2)
y = akar (169 - 144)
y = akar 25
y = 5

tan x = y/x
tan x = 5/12 = 10/24