Classroom | Trigonometry: Use the Sum and Difference Formulas to Find Exact Values | Video Math Teacher

Trigonometry: Use the Sum and Difference Formulas to Find Exact Values

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

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

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (2:58)Difficulty: 3Type: Problem
2

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (3:16)Difficulty: 3Type: Problem
3

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (3:30)Difficulty: 3Type: Problem
4

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (3:19)Difficulty: 3Type: Problem
5

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (5:15)Difficulty: 3Type: Problem
6

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (5:04)Difficulty: 3Type: Problem
7

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (2:43)Difficulty: 3Type: Problem
8

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (2:17)Difficulty: 3Type: Problem
9

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (4:00)Difficulty: 3Type: Problem
10

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (2:24)Difficulty: 3Type: Problem
11

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (4:55)Difficulty: 3Type: Problem
12

Use the Sum or Difference formulas for sine, cosine, or tangent to find the exact value.

Play VideoSee Video Solution (2:34)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.