Question

Minta tolong mtk ......

Answer 1

Cos β = -1/2√3 (Kuadran II)
misal ABC garis miring di AC
dan A= β
AB = -√3
AC = 2
BC = √(2² - √3²)
BC = √1 = 1
Tan β = 1/√3
Tan β = 1/3√3
Karena kuadran II jadi tan = -
Jadi, Tan β = - 1/3√3
Done :)