Jawab:
tan 2 B = tan {(A + B) -(A - B)}
tan 2A = tan { (A+ B + (A - B)}
Penjelasan dengan langkah-langkah:
lampiran
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Verified answer
Jawab:
tan 2 B = tan {(A + B) -(A - B)}
tan 2A = tan { (A+ B + (A - B)}
Penjelasan dengan langkah-langkah:
lampiran