Jika cos a = √5/5, nilai cotan (phi/2 - a) =
Matematika
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Pertanyaan
Jika cos a = √5/5, nilai cotan (phi/2 - a) =
1 Jawaban
-
1. Jawaban hr71
cos a = √5/5
tan a = 2
cotan (phi/2 - a) = Tan a= 2