jika sin x=1/3√3,x dikuadran II nilai tanx adalah...

Bab Trigonometri
Matematika SMA Kelas X

sin a = 1/3 √3 = 1/√3 = y/r

x = √(r² - y²)
x = √(√3² - 1²)
x = √(3 - 1)
x = √2

tan a = - y/x = - 1/√2 = -1/2 √2