| Subject | Date Asked |
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| Trigonometry... | 7/2/2009 |
Q: I was looking at this questions before and they are really hard to understand..i was wondering if u ...
A: Well, it is not much of a trignometry Qn, I'd say. Sorry that I had no idea about the rational zero ...
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| Integration & Induction | 1/9/2009 |
Q: I'm not sure whether you would have covered integration yet, but if you have I have this question ...
A: Sorry for the lateness, cuz I was busy about my graduation ceremony:) I believe these two questions ...
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| problem with Horner method | 12/26/2008 |
Q: i have a problem with horner method,and want you to just give me a short description about it,and ...
A: It's already explained in the web page: Each entry in the second row is the product of the x-value ...
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| function in math | 12/25/2008 |
Q: Let ƒ(x)=√(1-x^2 )∈R.the maximum domain for which ƒ is defined is [-1,1], Since ...
A: Here, since f(x) is defined under real domain (∈R), so the chunk under the square root sign ...
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| function in math | 12/24/2008 |
Q: please tell me what is function?
A: Function is like an answering machine.You input a value for the required independent variable, and ...
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| Law of Cosines / Sines Critical Thinking Question? | 12/19/2008 |
Q: How far from the horizontal must a sheet of plywood 48 inches wide be rotated to fit through a ...
A: It seems you have problem in constructing the math model. You need to analyse it first: a plywood ...
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| geomatry | 12/18/2008 |
Q: what is use of sin,cos,cosec,cot?why wwe are using it?also please write me what are the properties ...
A: This question is rather general, but I'll try to explain it. Trigonometry is about the six ...
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| trig | 12/16/2008 |
Q: sec 30 degrees / cos 30 degrees
A: It should be a homework question, right? Remember this hexagon: sin -- cos / ...
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| Proof by Induction | 12/14/2008 |
Q: asub1=1 asub2=4 asub3=9 I know you have to prove P(1) first. Then assume P(K) then P(k+1). If you ...
A: Assume P(n) holds true, then prove P(n+1) also holds true. Since n^2 = (n-1)^2 - (n-2)^2 + (n-3)^2 ...
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| Calculus help | 12/12/2008 |
Q: Sketch the following function without the use of a graphing calculator. Show all work for and ...
A: I cannot do the sketch for you, and you should do such basic job yourself.Besides, what is a ...
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| Discrete Mathematics | 10/30/2008 |
Q: Find the minimum and maximum values of z = 3x + 4y for each of the following sets of constraints. x ...
A: Obviously your single constraint is far from enough. Hence I assume one more constraint,i.e.x>0 and ...
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| help with a bouyancy calculation | 10/30/2008 |
Q: I'am trying to find the buoyancy of a pipe 8'' diameter by 10' long it weighs 42 lbs. Is there any ...
A: I assume that you mean the resultant buoyant force, so the weight of the pipe can be used in ...
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| Probability | 5/18/2008 |
Q: The owners of Superb Coffee want to buy 100 bags of coffee from Great Aroma. They take a sample of ...
A: There are ten bags that are not able to meet the requirements Atmost one bag can be in the samples ...
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| Trignometry | 5/7/2008 |
Q: if sinx=3cosx, what is the value of sinxcosx. Where do I start?
A: A very simple way is to get tan value of x; tanx = sinx / cosx = 3 So, sinxcosx = 0.5 sin2x = 0.5* ...
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| application of quadratic equations | 5/5/2008 |
Q: 1. Some students planned for a get-together. The budget for food was $5... Five of the students ...
A: 1.Assume there were x students to come in the plan, the total food price = 5x the actual number ...
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| analytical geometry | 5/2/2008 |
Q: pls do help me i had finish answering the number 11 question but i cant answer #12 letter c is ...
A: You're welcome.Helping you is my pleasure:) This is quite an interesting question...All the choices ...
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| Logs | 4/30/2008 |
Q: Write the following expression as a single logarithm. If you could show me the steps that would be ...
A: I'll give you two hints: The number in front of log can be placed behind the log sign as the power ...
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| integration by parts | 4/29/2008 |
Q: A particle that moves along a straight line has velocity v(t)=t^(2)*e^(-3t) meters per second after ...
A: My answer is -( 1/3 ) * ( t^2 + (2/3)t + 2/9 ) * ( e^(-3t) ) + 1/3 I don't know if this is correct ...
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| verifying identities | 4/7/2008 |
Q: (sinx/1-cosx)-(sinx/1+cosx)= 2cotx I'm getting stuck with this problem because I am not getting the ...
A: It's easy,actually. sinx/(1-cosx) - sinx/(1+cosx) =(sinx + sinxcosx - sinx + sinxcosx)/(1 - ...
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| Trigonometric Inverses with variable | 4/4/2008 |
Q: Sin [csc^-1 (1/7x-8)] sin [cot^-1 (1/x+8)] How to do those? I know how to deal with sin[csc^-1 ...
A: I saw your question in the pool and I think I may offer some help For the first part,you must know ...
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| Algebra | 4/2/2008 |
Q: Factor completely 1.) u^2-5uv+6v^2 2.) 9x^2-23x-12 Is there any way you could also explain to ...
A: I believe this question does not fall into the A Math category... Anyway, I'll help you out. The ...
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