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The Angle Addition Identities (4.09)

This resource explores the angle addition identities, specifically focusing on the formulas for the sine and cosine of the sum of two angles. Thanks to Mr. Richardson from Lexington High School for curating this material. The identities include sin(a + b) = sin(a)cos(b) + cos(a)sin(b) and cos(a + b) = cos(a)cos(b) - sin(a)sin(b). These fundamental concepts in trigonometry are essential for solving various mathematical problems. Dive into the explanations and examples to strengthen your understanding of these identities.

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The Angle Addition Identities (4.09)

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  1. The Angle Addition Identities (4.09) Thanks to: Mr Richardson Lexington High School

  2. a

  3. a

  4. a

  5. a

  6. a

  7. a

  8. a

  9. a

  10. a

  11. a

  12. a sin(a)cos(b)

  13. a sin(a)cos(b)

  14. sin(b)cos(a) a sin(a)cos(b)

  15. sin(a+b)=sin(b)cos(a)+ sin(a)cos(b) a

  16. sin(a+b)=sin(b)cos(a)+ sin(a)cos(b) a

  17. sin(a+b)=sin(b)cos(a)+ sin(a)cos(b) a cos(a)cos(b)

  18. sin(a+b)=sin(b)cos(a)+ sin(a)cos(b) a cos(a)cos(b)

  19. sin(a+b)=sin(b)cos(a)+ sin(a)cos(b) a sin(a)sin(b) cos(a)cos(b)

  20. sin(a+b)=sin(b)cos(a)+ sin(a)cos(b) a -sin(a)sin(b) cos(a+b)=cos(a)cos(b)

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