Section 1 Trigonometric Identities
Worksheet – Trigonometric Identities
Section 2 Sum and Difference Formulas
Examples
Worksheet – Sum and Difference Formulas
Examples Worksheet
Section 3 Double-Angle, Power-Reducing and Half-Angle Formulas and Examples
Worksheet – Double-Angle, Power-Reducing and Half-Angle Formulas
Examples Worksheet
Section 4 Product to Sum and Sum to Product Formulas and Examples
Worksheet – Product to Sum and Sum to Product Formulas
Section 5 Trigonometric Equations
Worksheet – Trigonometric Equations
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Student Requested Problems
Rewrite the Expression (cos and cot) 5-1-71
Verify that the Equation is an Identity and Use Substitution 5-2-51
Using Half Angle Identity in a Proof 5-3-63
Doing Identity From a Graph 5-3-69
Solving Identity From a Graph 5-3-77