Polar coordinate system: Quiz

Question 1: Degrees are traditionally used in ________, surveying, and many applied disciplines, while radians are more common in mathematics and mathematical physics.

Question 2: Graphing Software at the ________
Life (magazine)Open Directory ProjectJim BarksdaleTime Warner

Question 3: The two polar coordinates r and θ can be converted to the Cartesian coordinates x and y by using the ________ sine and cosine:
Trigonometric functionsGenerating trigonometric tablesTrigonometryPythagorean theorem

Question 4: For example, this function is called by `atan2`(y,x) in the ________, and `atan`(y,x) in Common Lisp.
Pointer (computing)D (programming language)C++C (programming language)

Question 5: Every ________ can be represented as a point in the complex plane, and can therefore be expressed by specifying either the point's Cartesian coordinates (called rectangular or Cartesian form) or the point's polar coordinates (called polar form).
Real numberVector spaceField (mathematics)Complex number

Question 6: [19] Although these equations bear some resemblance in form to the centrifugal and ________ found in rotating reference frames, nonetheless there is not a necessary physical connection.
Ocean gyreCoriolis effectThermohaline circulationGulf Stream

Question 7: Heading 360 corresponds to ________, while headings 90, 180, and 270 correspond to magnetic east, south, and west, respectively.
CompassMagnetic declinationNautical chartEarth's magnetic field

Question 8: The concepts of angle and radius were already used by ancient peoples of the 1st millennium ________.
Calendar eraCommon EraJulian calendarGregorian calendar

Question 9: The equation defining an ________ expressed in polar coordinates is known as a polar equation.
ManifoldAlgebraic geometryAlgebraic curveRiemann surface

Question 10: In mathematics, the polar coordinate system is a two-dimensional coordinate system in which each point on a plane is determined by a distance from a fixed point and an ________ from a fixed direction.
AngleGeometryLatitudeTriangle