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4.3 Identities and Algebraic Transformations and Expressions

4.3 Identities and Algebraic Transformations and Expressions. Lesson Obj : Transform a trigonometric expression into a simpler one. Guiding Question: How can we use identities and properties to simplify?. Transformation : Changing one expression into another. Ex. Transform into

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4.3 Identities and Algebraic Transformations and Expressions

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  1. 4.3 Identities and Algebraic Transformations and Expressions Lesson Obj: Transform a trigonometric expression into a simpler one.

  2. Guiding Question: How can we use identities and properties to simplify? • Transformation: Changing one expression into another Ex. Transform into Ex. Transform

  3. Guiding Question: How can we use identities and properties to simplify? • Proving something is slightly different. • Write Proof. • Start with one side of the equation and work to get the other side. • This is how you show an identity. Ex. Prove that:

  4. Start by writing “Proof” and then the expression. • Look for “algebraic” things to do (factor, add fractions) • Look for “trigonometric” things to do (Pythagorean properties, look for things squared. Guiding Question: How can we use identities and properties to simplify?

  5. Guiding Question: How can we use identities and properties to simplify?

  6. Guiding Question: How can we use identities and properties to simplify? • Assignment: Packet

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