cosecants

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• cosecants — co·se·cant || ‚kəʊ siːkÉ™nt n. ratio of two sides of a triangle (Trigonometry) …   English contemporary dictionary

• List of trigonometric identities — Cosines and sines around the unit circle …   Wikipedia

• Benford's law — Benford s law, also called the first digit law, states that in lists of numbers from many real life sources of data, the leading digit is distributed in a specific, non uniform way. According to this law, the first digit is 1 almost one third of… …   Wikipedia

• Muhammad ibn Jābir al-Harrānī al-Battānī — transl|ar|ALA|Abū Abd Allāh Muḥammad ibn Jābir ibn Sinān al Raqqī al Ḥarrānī al–Ṣābiʾ al Battānī (c. 858, Harran ndash; 929, Qasr al Jiss, near Samarra) Latinized as Albategnius, Albategni or Albatenius was an Arab [… …   Wikipedia

• Muḥammad ibn Jābir al-Ḥarrānī al-Battānī — Albategnius redirects here. For the lunar crater, see Albategnius (crater). Al Battānī A modern artist s impression of al Battānī holding an astrolabe Full name Al Battānī Born c. 858 CE Harran …   Wikipedia