Classroom | Trigonometry: Using the Sum and Difference Formulas to Verify Identities | Video Math Teacher

Trigonometry: Using the Sum and Difference Formulas to Verify Identities

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Watch the introductory video for the sample problem of this lesson.

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3

Practice Solving the problems.
Print the worksheet and work through each problem.
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1

Verify the identity.

Play VideoSee Video Solution (1:52)Difficulty: 3Type: Problem
2

Verify the identity.

Play VideoSee Video Solution (1:45)Difficulty: 3Type: Problem
3

Verify the identity.

Play VideoSee Video Solution (1:56)Difficulty: 3Type: Problem
4

Verify the identity.

Play VideoSee Video Solution (1:58)Difficulty: 3Type: Problem
5

Verify the identity.

Play VideoSee Video Solution (1:50)Difficulty: 3Type: Problem
6

Verify the identity.

Play VideoSee Video Solution (1:56)Difficulty: 3Type: Problem
7

Verify the identity.

Play VideoSee Video Solution (4:58)Difficulty: 3Type: Problem
8

Verify the identity.

Play VideoSee Video Solution (5:13)Difficulty: 3Type: Problem
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Watch the solution videos to see which problems you go right on the worksheet. Watch and understand the step-by-step solution videos to the problems you did not answer correctly and see if you can understand where you made mistakes.