tan 360 · cos(-120) = ...
Matematika
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Pertanyaan
tan 360 · cos(-120) = ...
1 Jawaban
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1. Jawaban Luthfilathifah
Tan 360 = tan ( 360 + 0 )
=Tan 0
= 0
Cos (120) = cos (180-60)
= - cos 60
= - 1/2
tan 360. Cos (-120) = 0 . - (-1/2)
= 0 . 1/2
= 0