arc-cosine

常见例句

• Returns the arc cosine of arg in radians
  返回角的余弦值
• Joan of Arc was one of France's greatest daughters.
  圣女贞德是法国最伟大的女性之一。
• Joan of Arc was burnt (alive) at the stake.
  圣女贞德在火刑柱上被(活活)烧死。
• Joan of Arc was made a saint in 1920.
  1920年，贞德被追封为圣女。
• Arcos (arc cosine)
  反余弦
• The sun appears to move in an arc across the sky.
  太阳看起来在天空以弧线运行。
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