tan 2/3 phi =.. a. -cot 30° b. -cot 45° c. -cot 60° d. cot 30° e. cot 45° pake cara yaa
Matematika
sehyunna
Pertanyaan
tan 2/3 phi =..
a. -cot 30°
b. -cot 45°
c. -cot 60°
d. cot 30°
e. cot 45°
pake cara yaa
a. -cot 30°
b. -cot 45°
c. -cot 60°
d. cot 30°
e. cot 45°
pake cara yaa
2 Jawaban
-
1. Jawaban arsetpopeye
Tan 2/3 π = Tan 2/3 (180°) = Tan 2(60°) = Tan 120° => dikuadran 2
1) Tan 120° = Tan (180° - 60°) = - Tan 60°
2) Tan 120° = Tan (90° + 30°) = - cot 30° -
2. Jawaban wilsonrubik123
Tan 120° = Tan (90° + 30°) = - cot 30° ( A )