(n.) The sine of the complement of an arc or angle. See Illust. of Functions.
Example Sentences:
(1) algebraic sum of these three cosine functions yielded a circadian waveform with peak-times occurring near 0300 and 1130 hr and a trough-time about 2200 hr.
(2) The EMG data were fit with a nonlinear, multiple cosine function, which allowed the identification of one, two, or sometimes three separate cosine peaks.
(3) The compression technique is a variation of the Consultive Committee on International Telephony and Telegraphy Joint Photograph Experts Group compression that suppresses the blocking of the discrete cosine transform except in areas of very high contrast.
(4) Data were fit using a two-step sine and cosine regression for each 24-h period.
(5) Diurnal periodicity in bradyarrhythmia (sinoatrial block, atrioventricular block) and heart rate was analyzed by the least square fit of 24-h cosines.
(6) In comparison with APO-UNSUS rats APO-SUS rats showed significantly more spike-wave discharges, especially during the dark period: both the mesor and the amplitude of the optimal cosine fitted to the data were significantly increased, whereas neither the acrophase nor the period length (24 h) differed.
(7) To implement a picture archiving and communication system, clinical evaluation of irreversible image compression with a newly developed modified two-dimensional discrete cosine transform (DCT) and bit-allocation technique was performed for chest images with computed radiography (CR).
(8) Histopathological changes as shown in sections stained with hematoxylin and cosin include patchy areas of colloid degeneration and thickening of the walls of some blood vessels in 10 out of 15 marasmic cases.
(9) The modulation depth showed a close to cosine relation with the angle between the preferred axis and the stimulus rotation axis.
(10) Curvature-increment thresholds were measured for contour curvatures from 0.31 to 10.65 deg-1, for grating spatial frequencies of 4.0 and 16.0 cycles per degree (cpd), and for gratings in either sine or cosine phase at the point of maximum curvature.
(11) The EFP nocturnal decline in LH did not conform to a cosine rhythm.
(12) According to acrophases of a fitted cosine curve and visual inspection on chronograms, the phases of circadian rhythms were delayed to different degrees in the evening shifts with a minimum of about 1 h for oral temperature and a maximum of about 4 h for urinary free noradrenaline.
(13) The acrophases (maxima of the adjusted cosine curve) occurred at 23:39, 07:59, 08:37 and 13:25 h, respectively.
(14) The fit of a 24-hr cosine function was able to reject the null hypothesis of amplitude = O in the majority of patients under intensive care.
(15) A compression technique based on the discrete cosine transform takes the viewing factors into account by compressing the changes in the local brightness levels.
(16) When two drifting cosine gratings are superimposed, they will, under appropriate conditions, form a coherently moving two-dimensional pattern whose resultant direction of motion may either be between (type I), or outside (type II) the directions of the two components.
(17) In the second experiment, DLs were obtained for linear, exponential, and raised-cosine onset envelopes at rise-time values between 10 and 40 msec.
(18) The new nonlinearity hypothesis cannot account for the results obtained with sine-phase test stimuli, though it gives a better account of the results with cosine-phase stimuli than does the early nonlinearity hypothesis which was tested and rejected by Nachmias and Rogowitz (1983).
(19) The gonadotropin secretory pattern was subjected to cosine analysis for identifying rhythmicity.
(20) Two-cosine functions often provided the best fit to the EMG data.
Trigonometry
Definition:
(n.) That branch of mathematics which treats of the relations of the sides and angles of triangles, which the methods of deducing from certain given parts other required parts, and also of the general relations which exist between the trigonometrical functions of arcs or angles.
(n.) A treatise in this science.
Example Sentences:
(1) For treatment of all fields at 100 cm source to axis distance (SAD) the lateral placement and depth of the set-up point may be determined by simulation and simple trigonometry.
(2) Complete utilization of the orientational constraints derived from these orientation-dependent nuclear spin interactions in restricting the conformational space is most effectively achieved by utilizing spherical trigonometry.
(3) The method presented is based upon concepts in common use in surgical ophthalmology and requires only simple mathematical procedures, familiar to all with a background in algebra and trigonometry.
(4) Coding this software took 31 engineers more than 100,000 hours – and used algebra, probability theory, geometry and trigonometry to generate information about the robot’s location.
(5) Maureen Wood Bradford on Avon, Wiltshire • I have forgotten how to do quadratic equations, algebra, trigonometry and all the Latin verbs I had to learn, but I will never forget the words of Shakespeare that a passionate, dedicated English teacher delivered and often acted for us at my 1950s grammar school.
(6) Basing on 31 normal skulls, the lateral projections of some points relative to the bony structure near the nasopharynx were located under the simulator, followed by drawing it on a sheet of paper with the aid of geometry and trigonometry.
(7) The extent of the length bias could be accurately predicted from the angular shift by simple trigonometry.