August 2018 2 89 Report
Mohon bantuannya :D
Hitunglah hasilnya :
a. sin 135° - cos 225° + tan 240°
b. 3 tan  \frac{5}{6} π + 4 cos  \frac{11}{6} π - sin \frac{2}{3} π
c.  \frac{sin 90° + cos 240° - sin 330°}{sin 180° x cos 150° - cos 300°}

Jelaskan cara penyelesaiannya :D

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