# pre cal

convert the point to rectangular coordinates (7,1.75)

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convert the point with polar coordinates (2,7pi/6) into rectangular coordinates.

asked by casey on April 19, 2011
2. ### pre calc.Math

Please help me any one of these please! Thank You to any one r=2-6 cos(θ) convert this polar coordinate equation into an equation in rectangular coordinates(x,y) given (-8,8) convert this point into polar coordinates with 6 >= 0

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I have a test in about an hour and a half and am having some difficulty on the review the teacher gave us to help us prepare. Any help would be great! *Convert the polar equation to a rectangular equation. rsin(theta - Pi/4) =5

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convert the point to rectangular coordinates (5,5pi/6)

asked by joe on May 20, 2011
6. ### Precal

The point (r,theta) in polar coordinates is (7,5) in rectangular coordinates. What is the point (2r, theta + pi/2) in rectangular coordinates? So I tried this problem and got r = sqrt(74). But while finding the value of theta, I

asked by Dave on August 9, 2014
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asked by Theresa on July 4, 2007
8. ### trig

Convert the rectangular coordinates to polar coordinates, using radian measure for the angle. (6, -6) 6√(2),7π/4 OR -6√(2),5π/4

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Convert ( 4, -pi/6) from polar coordinates to rectangular coordinates. I got sqrt 12, -2 as my answer but it said this was wrong. I checked multiple times and I don't see where I messed up

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Given the polar coordinates of a point, how do I find the rectangular coordinates? (2, 3pi/4) (-4, 7pi/6) (2/3, -2pi/3) Given the rectangular coordinates of a point, how do I find the polar coordinates? (4, 0) (3, 4) (2, -2)

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