(b) (2, -3) Select the quadrant: O First quadrant O Second quadrant O Third quadrant o Fourth quadrant Measuring clockwise from the positive x-direction: Angle: 56 30003347

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter67: Analysis Of Trigonometric Functions
Section: Chapter Questions
Problem 51A
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Question
1. Find the quadrant of each point and the angle each of the points make with the positive
x-axis using the inverse tan function
Note: Most calculators will only return values between -90° and 90° (to the right of the
y-axis) when using the inverse tan function. An 180° may need to be added if the point is
located in the second or third quadrant.
(a) (-2,-3)
Select the quadrant:
First quadrant
O Second quadrant
o Third quadrant
Fourth quadrant
Angle: 236.3099325
(b) (2, -3)
Select the quadrant:
First quadrant
O Second quadrant
O Third quadrant
o Fourth quadrant
Measuring clockwise from the positive x-direction:
Angle: 56.30993247
!
No, that's only partially correct.
Transcribed Image Text:1. Find the quadrant of each point and the angle each of the points make with the positive x-axis using the inverse tan function Note: Most calculators will only return values between -90° and 90° (to the right of the y-axis) when using the inverse tan function. An 180° may need to be added if the point is located in the second or third quadrant. (a) (-2,-3) Select the quadrant: First quadrant O Second quadrant o Third quadrant Fourth quadrant Angle: 236.3099325 (b) (2, -3) Select the quadrant: First quadrant O Second quadrant O Third quadrant o Fourth quadrant Measuring clockwise from the positive x-direction: Angle: 56.30993247 ! No, that's only partially correct.
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Follow-up Question
1. Find the quadrant of each point and the angle each of the points make with the positive
x-axis using the inverse tan function
Note: Most calculators will only return values between -90° and 90° (to the right of the
y-axis) when using the inverse tan function. An 180° may need to be added if the point is
located in the second or third quadrant.
(a) (-2,-3)
Select the quadrant:
O First quadrant
O Second quadrant
o Third quadrant
O Fourth quadrant
Angle: [236.3099325
(b) (2, -3)
Select the quadrant:
O First quadrant
O Second quadrant
O Third quadrant
o Fourth quadrant
Measuring clockwise from the positive x-direction:
Angle: 303.690067526 X
Transcribed Image Text:1. Find the quadrant of each point and the angle each of the points make with the positive x-axis using the inverse tan function Note: Most calculators will only return values between -90° and 90° (to the right of the y-axis) when using the inverse tan function. An 180° may need to be added if the point is located in the second or third quadrant. (a) (-2,-3) Select the quadrant: O First quadrant O Second quadrant o Third quadrant O Fourth quadrant Angle: [236.3099325 (b) (2, -3) Select the quadrant: O First quadrant O Second quadrant O Third quadrant o Fourth quadrant Measuring clockwise from the positive x-direction: Angle: 303.690067526 X
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