Teta and angles

• Sin 0?

  0
• sin(30)?

  1/2
• Sin (45)?

  Square root 2/2
• Sin 60?

  Square root 3/2
• Sin 90?

  1
• cos 0?

  1
• Cos 30?

  square root 3/2
• Cos 45?

  Square root 2/2
• Cos 60?

  1/2
• Cos 90?

  0
• tan(0)?

  0
• Tan 30?

  Square root 3/3
• Tan 45?

  1
• Tan 60?

  Square root 3
• tan 90?

  Undefined