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  1. AP Pre Calculus
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Trigonometric and Polar Functions

Question 1
college-boardPre-CalculusAPExam Style
1 mark

What is the polar coordinate representation for the origin in a polar coordinate system?

Question 2
college-boardPre-CalculusAPExam Style
1 mark

What type of symmetry does a polar graph exhibit if it remains unchanged when rotated by half a turn (180°)?

Question 3
college-boardPre-CalculusAPExam Style
1 mark

What is the graphical representation for y=θ3+θy = \theta^3 + \thetay=θ3+θ?

Question 4
college-boardPre-CalculusAPExam Style
1 mark

What does θ=π4\theta = \frac{\pi}{4}θ=4π​ represent in polar coordinates?

Question 5
college-boardPre-CalculusAPExam Style
1 mark

What is a graphical method for finding where a polar function r(θ)=sin⁡(θ)r(\theta)=\sin(\theta)r(θ)=sin(θ) crosses the pole?

Question 6
college-boardPre-CalculusAPExam Style
1 mark

Given that for some constant 'm', m>0m > 0m>0, like other numbers may become negative or zero depending upon conditions set forth within their respective domains; therefore let's consider 'm' always being more significant than zero even though others can vary accordingly – if 'm' changes so does everything else related! ...

Question 7
college-boardPre-CalculusAPExam Style
1 mark

If the polar function r(θ)=2sin⁡(3θ)r(\theta) = 2\sin(3\theta)r(θ)=2sin(3θ) has an inverse, what is the primary feature of its graph in relation to the original function?

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Question 8
college-boardPre-CalculusAPExam Style
1 mark

In polar coordinates, what does the variable 'r' represent?

Question 9
college-boardPre-CalculusAPExam Style
1 mark

Which point lies on the graph of the polar function r(θ)=2sin⁡(θ)r(\theta) = 2\sin(\theta)r(θ)=2sin(θ)?

Question 10
college-boardPre-CalculusAPExam Style
1 mark

How does doubling θ\thetaθ in the polar equation r(θ)=1+cos⁡(θ)r(\theta)=1+\cos(\theta)r(θ)=1+cos(θ) affect its graph's appearance compared to its original plot?