04/06/20

Cos2(theta)=Cos^2(theta)-1/2
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO... more
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04/06/20

Double or Half Angle Formula
Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2π). (Enter your answers as a comma-separated list.)cos(2θ) + sin2(θ) = 0
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04/06/20

Use an Addition or Subtraction Formula to simplify the equation
Use an Addition or Subtraction Formula to simplify the equation. cos(θ) cos(2θ) + sin(θ) sin(2θ) = 3/2 Find all solutions in the interval [0, 2π). (Enter your answers as a comma-separated list.)  more
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02/21/20

The area of a sector of a circle with a central angle of 9π/13 rad is 24 m2. Find the radius of the circle. (Round your answer to one decimal place.)
The area of a sector of a circle with a central angle of 9π/13 rad is 24 m2.Find the radius of the circle. (Round your answer to one decimal place.)
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Expert Answers •2

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