Classroom | Trigonometry: Using the Product-To-Sum or the Sum-To-Product Formulas | Video Math Teacher

Trigonometry: Using the Product-To-Sum or the Sum-To-Product Formulas

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To Browse Problems:
Select the desired Subject → Chapter → Section → Group

2

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

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:35)Difficulty: 3Type: Problem
2

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:41)Difficulty: 3Type: Problem
3

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:09)Difficulty: 3Type: Problem
4

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:39)Difficulty: 3Type: Problem
5

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:25)Difficulty: 3Type: Problem
6

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:26)Difficulty: 3Type: Problem
7

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:43)Difficulty: 3Type: Problem
8

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:48)Difficulty: 3Type: Problem
9

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:36)Difficulty: 3Type: Problem
10

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:40)Difficulty: 3Type: Problem
11

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:56)Difficulty: 3Type: Problem
12

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (2:05)Difficulty: 3Type: Problem
13

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:36)Difficulty: 3Type: Problem
14

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (2:02)Difficulty: 3Type: Problem
15

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:40)Difficulty: 3Type: Problem
16

Use the Product-To-Sum or Sum-To-Product Formulas as indicated

Play VideoSee Video Solution (1:40)Difficulty: 3Type: Problem
4

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.