Matematika

Pertanyaan

sec 300° - cot 135° + cosec 330° =

1 Jawaban

  • sec 300° - cot 135° + cosec 330°
    = sec (360° - 60°) - cot (180° - 45°) + cosec (360° - 30°)
    = sec 60° - (-cot 45°) + (-cosec 30°)
    = 2 + 1 - 2
    = 1

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