Penjelasan dengan langkah-langkah:
cos x = 1/2
cos = b/c
a = √(2² - 1²)
a = √(4 - 1)
a = √3
tan x di kuadran 2 bernilai negatif,
maka:
tan x = -a/b
tan x = -√3/1
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Penjelasan dengan langkah-langkah:
cos x = 1/2
cos = b/c
a = √(2² - 1²)
a = √(4 - 1)
a = √3
tan x di kuadran 2 bernilai negatif,
maka:
tan x = -a/b
tan x = -√3/1
tan x = -√3