I was once told that the gradient on a road sign is not arctan but rather arcsin - i.e. 10% is 1m up for 10m on the slope.    From Wordnik.com.  [Which idiot came up with percentage-based gradient signs] Reference

In the equation 1 þ 2 ¼ arctan x, the variables 1 and 2 represent.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

The arctangent function, y ¼ arctan x, is de fi ned for (a) all values of x (b) x >.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

This angle is equal to the arctangent of the ratio of ya to xa: dir a ¼ a ¼ arctan ðya = xa Þ.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

I fitted a simple arctan function through their water storage curve and added that to Stefan's already extended script.    From Wordnik.com.  [RealClimate] Reference

CHAPTER 3 Graphs and Inverses GRAPH OF ARCTANGENT FUNCTION Figure 3-13 is a graph of the function y ¼ arctan x (or y ¼ tanÀ1 x).    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

The angle is the arctangent of the ratio of the absolute value of the capacitive reactance to the resistance: RC ¼ arctan ðjXC j = RÞ.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

In order to convert the coordinates of a point (x0, y0) in Cartesian coordinates to a point (0, r0) in NPC, use these formulas: 0 ¼ arctan ðx0 = y0 Þ if y0 >.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

If we are operating on some variable x, the arctangent of x is denoted tanÀ1 (x) or arctan (x) The inverse of the cosecant function is the arccosecant function.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

W = np. arctan (x/y) # Visualize the data from enthought. mayavi import mlab.    From Wordnik.com.  [Planet Python] Reference

Consider the function y = arctan x.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

What is the value of arctan (À1) in radians?.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

W D9 D0 FNOP no operation DD/6 FNSAVE mem94 mem94: = 87 state D9/7 FNSTCW mem2i mem2i: = control word D9/6 FNSTENV mem14 mem14: = environment DF E0 FNSTSW AX AX: = status word DD/7 FNSTSW mem2i mem2i: = status word w D9 F3 FPATAN 0: = arctan (1/0), pop w D9 F8 FPREM 0: = REPEAT (0 - 1) w D9 F5 FPREM1 387 only: 0: = REPEAT (0 - 1) IEEE compat.    From Wordnik.com.  [DOCUMENTATION: A86 Assembler Package by Eric Isaacson Chapter 7] Reference

0 ¼ arctan ðy0 = x0 Þ if x0 >.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

If we let (x0, y0) be the point where the treasure should be, then 40 paces north means y0 ¼ 40, and 30 paces west means x0 ¼ À30: ðx0, y0 Þ ¼ ðÀ30,40Þ Because y0 is positive, we use this formula to determine the bearing or head - ing 0: 0 ¼ arctan ðx0 = y0 Þ ¼ arctan ðÀ30 = 40Þ ¼ arctan À 0: 75 ¼ À378 This is a negative angle, so to get it into the standard form, we must add 360: 0 ¼ À378 þ 3608 ¼ 3608 À 378 ¼ 3238 To fi nd the value of the range, r0, use this formula: r0 ¼ ðx2 þ y2 Þ1 = 2 0 0 ¼ ð302 þ 402 Þ1 = 2 ¼ ð900 þ 1600Þ1 = 2 ¼ 25001 = 2 ¼ 50.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference