I reckon compare A and B, and then A and C. If both B and C are greater than A, compare them. Then compare D to the median of A, B and C ("mABC") and then...
... is ... variables ... no ... are ... this ... I saw this problem posed by somebody on another board, and he claimed it could be done in six steps, but I...
... I am not sure what you are claiming to be right about. The whole description was wrong since it talked about the children being 7 miles apart after one...
Please help!!!I do not understand how to do these two problems. THank you for ur help!!! 1) Use the x,y,r definitions of sine and cosine to prove the following...
... THank ... It is simple to show that this is equivalent to cos²x = 1-sin²x I presume the x,y,r definitions refers to drawing a circle, x²+y²=r² on a...
(cos x)/(1-sin x) = (-sin x)/(1 - sin x) from cos x = -sin x = (-sin x)(1 + sin x)/[(1 - sin x)(1 + sin x) = (-sin x)(1 + sin x)/(1 - sin^2 x) = (-sin x)(1 +...
... Hang on! Hang on!!!! What makes you think cosx = -sinx ??????? For a start, for all values of x between 0 and 1.5, they are both positive!! [0 and 1.5...
Group: Sorry, sin x is not = -cosx I should have referred to a table of trig identities. Please ignore the previous solution. Sincerely, Joseph Tuncavage...
In a message dated 2004-12-02 9:55:56 AM Eastern Standard Time, ... I presume 1.5 here is an approximation of pi/2. stevo [Non-text portions of this message...
Group: In a previous message, I mistakenly set sin x = -cos x, which is not true; thus, my proof was blown away. The correct proof, as I believe to be true is:...
... Not so much an approximation as a convenient limit. I could have said 0 - 1 and/or 0 to 70 degrees and the statement would have been just as true. All I...
Thanx Adh, but I have yet to find the correct answer. as u said, B = (P - QY)/(X - Y). this is fiine. But we never know the values of X & Y. so u cannot have...
... As two other members have pointed out, your equations do not determine B and D (except as functions of X, Y, P, and Q). So, it's not clear (to me) what...
Hello, I want to solve the following equation ( to find f(x) ): (f(x))^2 = 1 + x * f(x+1) Now f(x) = x+1 seems to be ok, but it was just guessing, and how can...
... can I know if it is the only solution? Is there any method, or approach that can give the solution or solutions? ... But f(x) = x+1 is not a solution....
... <dominek20@p...> ... I misread your equation, so ignore my last post. Here's a start. We can solve for all f(x) that might be in the form ax + b as...
... The solution you've found by inspection is certainly not the only solution: Knowledge of f(x) only determines f(x+n) for *integer* n (and then only up to a...
Thanks for replying. I understand this approach, but how can I be sure the solution is a linear function? Can I figured it out just from the equation somehow? ...
... Of course! Now I understand much more from the whole thing. Thank you very much for giving this explanation :-) ... Patty [Non-text portions of this...
With a recent posting again bringing this problem/contradiction to mind, I thought of the following approaches for solution. I don't have a 'simple to use'...
... I omitted the constants - the formulae should have been y = 5ax/2 + c and y = c - 5ax/2, where the value of c changes for each zig and zag. Peter...
Could someone help me to compute the TOTAL DIFFERENTIAL of the following equation? x = y - V - [F/(F+G)]*D(a, F+G , y) (note that D is a function of those...
... I've solved it! It can be done in six comparisons: First two comparisons: take any two pairs of points and compare them. Third comparison: Of the two...
..if I understand you correctly, at G = 0 we actually have: D(a, F, y) = y - x - V so we are looking for a differential form dD = P(a, F, y)da + Q(a, F, y) dF...
... take ... Not sure what you mean by WLOG, but what if the values were, A=1, B=5, E=6, D=7, C=9 I am not sure that you have it??? Perhaps you meant to say...
... symmetrical, ... WLOG is the standard internet abbreviation for "without loss of generality". I say this because of the symmetry. Whichever is greater...
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