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Below are examples of how to use various templates to cite a book, encyclopedia, journal, website, comic strip, video, editorial comics, etc. For full description of a template and the parameters which can be used with it— click the template name (e.g. {{ Citation }} or {{ cite xxx }} ) in the " template " column of the table below.
Conversion of common angles Turns Radians Degrees Gradians; 0 turn 0 rad 0° 0 g 1 / 72 turn π / 36 or 𝜏 / 72 rad 5° 5 + 5 / 9 g 1 / 24 turn π / 12 or 𝜏 / 24 rad
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Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
Once the radius is fixed, the three coordinates (r, θ, φ), known as a 3-tuple, provide a coordinate system on a sphere, typically called the spherical polar coordinates. The plane passing through the origin and perpendicular to the polar axis (where the polar angle is a right angle) is called the reference plane (sometimes fundamental plane).
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The easiest way to start citing on Wikipedia is to see a basic example. The example here will show you how to cite a newspaper article using the {} template (see Citation quick reference for other types of citations). Copy and paste the following immediately after what you want to reference:
For example, in Finland the series used is 1.8 mm, 2.5 mm, 3.5 mm, 5.0 mm and 7.0 mm. Except for the very biggest ones, the templates are only suitable for technical pen drawing. For drawing circles and circle-arcs, circle templates which contain a set of suitably-sized holes are used.