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(Original text) : A lens/ray diagram to facilitate calculating a circle of confusion diameter c from focal length f, focused subject distance S1 and out-of-focus subject distance S2. File usage The following page uses this file:
This template is a software fork of {{Annotated image}} that was made for annotating generic images, like the thumbnail below, and page-spanning diagrams (e.g., many of the these image insertion templates) with a more normal appearance, a heading, and more alignment options than Template:Annotated image.
See WP:PD § Fonts and typefaces or Template talk:PD-textlogo for more information. This work includes material that may be protected as a trademark in some jurisdictions. If you want to use it, you have to ensure that you have the legal right to do so and that you do not infringe any trademark rights.
English: Some common angles (multiples of 30 and 45 degrees) and the corresponding sine and cosine values shown on the Unit circle. The angles (θ) are given in degrees and radians, together with the corresponding intersection point on the unit circle, (cos θ, sin θ).
The Heyland diagram is an approximate representation of a circle diagram applied to induction motors, which assumes that stator input voltage, rotor resistance and rotor reactance are constant and stator resistance and core loss are zero. [3] [5] [6] Another common circle diagram form is as described in the two constant air-gap induction motor ...
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