Classroom | Trigonometry: Showing an Equation is Not an Identity | Video Math Teacher

Trigonometry: Showing an Equation is Not an Identity

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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

Show that the equation is not an identity.  (Hint: Find one number that makes the equation false)

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

Show that the equation is not an identity.  (Hint: Find one number that makes the equation false)

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

Show that the equation is not an identity.  (Hint: Find one number that makes the equation false)

Play VideoSee Video Solution (2:03)Difficulty: 3Type: Problem
4

Show that the equation is not an identity.  (Hint: Find one number that makes the equation false)

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

Show that the equation is not an identity.  (Hint: Find one number that makes the equation false)

Play VideoSee Video Solution (2:04)Difficulty: 3Type: Problem
6

Show that the equation is not an identity.  (Hint: Find one number that makes the equation false)

Play VideoSee Video Solution (2:19)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.