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172 Final Exam Question and answers already passed 2024/2025 $12.99   Add to cart
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172 Final Exam Question and answers already passed 2024/2025
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172 Final Exam Question and answers already passed 2024/2025 172 Final Exam positive angle - correct answer counterclockwise rotation negative angle - correct answer clockwise rotation radians - correct answer if the radius or the circle is r and the length of the arc is also r, th...

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  • October 15, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • MATH 172
  • MATH 172

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172 Final Exam
positive angle - correct answer ✔counterclockwise rotation


negative angle - correct answer ✔clockwise rotation


radians - correct answer ✔if the radius or the circle is r and the length of the
arc is also r, then the measure of the angle is 1 radian


1 radian - correct answer ✔57°


Degree formula - correct answer ✔degrees = radians * 180/π


radian formula - correct answer ✔radians= degrees * π/180


arc length - correct answer ✔length of an arc cut off by an angle


arc length formula - correct answer ✔s= rθ, where θ is an angle in RADIANS


sector - correct answer ✔a part or division of a circle


area of a sector - correct answer ✔A=1/2r^2θ, where θ is in RADIANS


circumfrence of a circle - correct answer ✔C=2πr


sin - correct answer ✔y/r

, cos - correct answer ✔x/r


tan - correct answer ✔y/x


csc - correct answer ✔1/sin = r/y


sec - correct answer ✔1/cos = r/x


cot - correct answer ✔1/tan = x/y


*memorize the unit circle* - correct answer ✔-


domain of sin - correct answer ✔sinθ=y
all real numbers


domain of cos - correct answer ✔cosθ= x
all real numbers


domain of tan - correct answer ✔tanθ= y/x
All real numbers except odd multiples of π/2


domain of sec - correct answer ✔secθ= 1/x
All real numbers except odd multiples of π/2


domain of cot - correct answer ✔cotθ=x/y

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