(tan 180/8+tan 180/8)/(1-tan 180/8 . tan 180/8)

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(tan 180/8+tan 180/8)/(1-tan 180/8 . tan 180/8)

Jawaban Terkonfirmasi

Kelas 10 Matematika
Bab Trigonometri

(tan 180°/8 + tan 180°/8) / (1 – tan 180°/8 . tan 180°/8)
= tan (180°/8 + 180°/8)
= tan (360°/8)
= tan 45°
= 1

Tan (180/8+180/8) = Tan 45 = 1