algebra3chapter5

5-2 Trigonometric Ratios in Right Triangles

• • Some Mnemonics to Help Remember Your Trig Ratios 

  • Legend of SOHCAHTOA 

5-3 Trigonometric Functions on the Unit Circle

• • The Unit Circle 

  • A Method for Remembering the Unit Circle  

5-8 The Law of Cosines

• • Proof of the Law of Cosines 

Additional Activities

• •  Trig Triangles

  • Trig Cut Ups 

  • TRIGO