Understanding Tangent and Inverse Tangent

Javier is calibrating medical imaging equipment and needs to find an angle whose tangent is one. The video explores using the inverse tangent function to find the angle, but highlights the issue of multiple angles having the same tangent value. It explains the concept using a unit circle and emphasizes the need for more information to determine the correct angle, as the inverse tangent function has a limited range.

What is Javier trying to calibrate?

• A camera

• A microscope

• Medical imaging equipment

• A telescope

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CCSS.HSF.TF.B.7

What is the tangent of the angle that Javier is trying to find?

• 1

• 2

• 0

• Undefined

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What mathematical function can be used to find an angle from its tangent?

• Exponential

• Inverse tangent

• Sine

• Cosine

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Why is it important to restrict the domain when using the inverse tangent function?

• To ensure the angle is negative

• To avoid multiple solutions

• To simplify calculations

• To ensure the angle is positive

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CCSS.HSF.TF.A.2

What does the unit circle help illustrate about angles with the same tangent?

• They can be in different quadrants

• They are always obtuse

• They are always acute

• They have different slopes

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What is the significance of the slope of a line in relation to the tangent of an angle?

• It determines the length of the angle

• It is unrelated to the tangent

• It represents the tangent value

• It determines the angle's color

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How can you construct another angle with the same tangent value?

• By subtracting 45 degrees

• By adding or subtracting pi radians

• By doubling the angle

• By adding 90 degrees

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What is the challenge in determining the exact angle from its tangent?

• The tangent function is not defined

• The angle is always positive

• There are multiple angles with the same tangent

• The angle is always negative

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What additional information might be needed to determine the exact angle?

• The length of the hypotenuse

• The color of the angle

• The quadrant in which the angle lies

• The size of the unit circle

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What is the primary focus of the video tutorial?

• Understanding sine and cosine

• Exploring the concept of tangent and inverse tangent

• Learning about exponential functions

• Studying the properties of circles

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CCSS.HSF.TF.A.2