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銳角三角:sin, cos

Author:羅驥韡 (Pegasus Roe)

New Resources

  • 四邊形的特性
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  • 三位數除以一位數(一)

Discover Resources

  • 正弦定理的验证
  • 面積2
  • -(√3/2)³ ≤ sinα sinβ sinγ ≤ (√3/2)³
  • 畢氏定理
  • 橢圓1--四圓心近似法

Discover Topics

  • Planes
  • Conditional Probability
  • Random Variables
  • Unit Circle
  • Matrices
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