Question: What is a trigonometric identity . Give two examples. Provide an example of a trigonometric identity and verify the identity. Are the expressions cos( A

  1. What is a trigonometric identity. Give two examples.
  2. Provide an example of a trigonometric identity and verify the identity.
  3. Are the expressions cos(A - B) and cos A - cos B equal? Give an example to to explain the answer.
  4. Provide an example of a trigonometric identity problem

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