Classroom | Trigonometry: Using the Sum and Difference Formulas to Write Sine or Cosine With a Single Angle | Video Math Teacher

Trigonometry: Using the Sum and Difference Formulas to Write Sine or Cosine With a Single Angle

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Practice Solving the problems.
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1

Use the sum or difference formulas to write the expression as the sine or cosine of one angle.

Play VideoSee Video Solution (0:59)Difficulty: 3Type: Problem
2

Use the sum or difference formulas to write the expression as the sine or cosine of one angle.

Play VideoSee Video Solution (1:03)Difficulty: 3Type: Problem
3

Use the sum or difference formulas to write the expression as the sine or cosine of one angle.

Play VideoSee Video Solution (0:59)Difficulty: 3Type: Problem
4

Use the sum or difference formulas to write the expression as the sine or cosine of one angle.

Play VideoSee Video Solution (1:26)Difficulty: 3Type: Problem
5

Use the sum or difference formulas to write the expression as the sine or cosine of one angle.

Play VideoSee Video Solution (1:25)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.