sin (a-b)/cos a cos b
Matematika
irmaafif
Pertanyaan
sin (a-b)/cos a cos b
1 Jawaban
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1. Jawaban Anonyme
TriGonoMetRi
sin (a - b) / cos a cos b
= (sin a cos b - cos a sin b) / cos a cos b
= (sin a cos b /cos a cos b) - (cos a sin b /cos a cos b)
= (sin a /cos a) - (sin b /cos b)
= tan a - tan b ✔