Tentukan nilai x Sin x = -1/2 akar 3

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Tentukan nilai x Sin x = -1/2 akar 3

Jawaban:

sin x = -1/2√3

sin x = sin -60°

x = -60 + k. 360°

k = 0 x = -60 (TM)

k = 1 x = 300

x = (180 – (-60)) + k. 360

x = 240 + k. 360

k = 0 x = 240

k = 1 x = 600 (TM)

0 ≤ x ≤ 360 hp { 240, 300}

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