tunjukan tan 75° = 2 + √3
Matematika
mhdyusuf1
Pertanyaan
tunjukan tan 75° = 2 + √3
1 Jawaban
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1. Jawaban qmase
Tan 75 = Tan(30+45)
(tan30 + tan45)/(1-tan30*tan45)
(sqrt(3)/3 + 1)/(1-sqrt(3)/3 *1)
Rasionalkan
(3/9 + 2 sqrt(3)/3 +1)/(1-3/9)
(4/3 + 2 sqrt(3)/3)/(2/3)
2 + sqrt(3)... TERBUKTI