Pre-Cal 40S Slides March 20, 2008

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Darren Kuropatwa

More on the sum and difference identities and the start of the proofs for those identities.

Educação Tecnologia

Proofs of the Sum and
Difference Identities ...
or
a clever idea

Bright Idea by evanleavitt

Given: With and

Find

Given: With and

Find

Given: With and

Find

Proofs of the Sum and Difference Identities ...

O
Rotate ∠ROP so that OP
lies on the positive x-axis
O

Pre-Cal 40S Slides March 20, 2008

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Pre-Cal 40S Slides March 20, 2008

1. Proofs of the Sum and Difference Identities ... or a clever idea Bright Idea by evanleavitt

2.

3. Given: With and Find

4. Given: With and Find

5. Given: With and Find

6. Proofs of the Sum and Difference Identities ... O Rotate ∠ROP so that OP lies on the positive x-axis O