Jawaban:
B.-5/13
Penjelasan dengan langkah-langkah:
tan = de/sa
tan 2,4 = 24/10
depan = 24
samping = 10
miring = √24² + 10²
miring = √576 + 100
miring = √676
miring = 26
cos x = sa/mi
cos x = 10/26
cos x = 5/13
karena berada di kuadran III,jadi cos x bernilai negatif
cos x = -5/13
(B)
tan x =
tan x
Karena dikuadran 3
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Jawaban:
B.-5/13
Penjelasan dengan langkah-langkah:
tan = de/sa
tan 2,4 = 24/10
depan = 24
samping = 10
miring = √24² + 10²
miring = √576 + 100
miring = √676
miring = 26
cos x = sa/mi
cos x = 10/26
cos x = 5/13
karena berada di kuadran III,jadi cos x bernilai negatif
cos x = -5/13
(B)
tan x =
tan x
Karena dikuadran 3