identitas trigonometri cos x (csc x + tan x) ekuivalen dengan...
Matematika
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Pertanyaan
identitas trigonometri cos x (csc x + tan x) ekuivalen dengan...
1 Jawaban
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1. Jawaban ShanedizzySukardi
Materi trigonometri
= cos x (1/sin x + (sin x / cos x))
= cos x ((cos x + sin^2 x) / sin x cos x)
= (cos x + sin^2 x) / sin x
= cot x + sin x