buktikan cot x =1/tan x
Matematika
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Pertanyaan
buktikan cot x =1/tan x
1 Jawaban
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1. Jawaban neverhaveaname
cot x =1/tan x
cot x =1/(sin x / cos x)
cot x =(1/sin x) x cos x
cot x = cos x / sin x
cot x = cot x (terbukti