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Trigonometry

Contents

  1. 1 Notes
    1. 1.1 TOA CAH SOH
    2. 1.2 Special Triangles
    3. 1.3 Trigo Identities
      1. 1.3.1 Tangent and Cotangent Identities
      2. 1.3.2 Reciprocal Identities
      3. 1.3.3 Pythagorean Identities
    4. 1.4 Even/Odd Formulas
    5. 1.5 Periodic Formulas
    6. 1.6 Double Angle Formulas
    7. 1.7 Degrees to Radians Formulas
    8. 1.8 Half Angle Formulas
    9. 1.9 Sum and Difference Formulas
    10. 1.10 Product to Sum Formulas
    11. 1.11 Sum to Product Formulas
    12. 1.12 Cofunction Formulas
    13. 1.13 Law of Sines, Cosines and Tangents
    14. 1.14 R Formula
      1. 1.14.1 Example
    15. 1.15 Proving Trigo Identities - Many questions to practise!
    16. 1.16 Practice Questions

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Notes

TOA CAH SOH


Special Triangles




Trigo Identities

Tangent and Cotangent Identities


Reciprocal Identities


Pythagorean Identities


Even/Odd Formulas

Periodic Formulas


Double Angle Formulas


Degrees to Radians Formulas

If x is an angle in degrees and t is an angle in radians then

Half Angle Formulas


Sum and Difference Formulas


Product to Sum Formulas


Sum to Product Formulas


Cofunction Formulas

Law of Sines, Cosines and Tangents


R Formula

Expressing (a , b are constants) in the form or where R 0 and .

Example

Express with R formula.

R = 5 (R 0)

Proving Trigo Identities - Many questions to practise!



























Practice Questions






























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