sec 300° - cot 135° + cosec 330° =
Matematika
diva7417
Pertanyaan
sec 300° - cot 135° + cosec 330° =
1 Jawaban
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1. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
sec 300° - cot 135° + cosec 330°
= (1/cos 300°) - (1/tan 135°) + (1/sin 330°)
= (1 : 1/2) - (1/1) + (1 : -1/2)
= 2 - 1 - 2
= -1