Lv 744,994 points

bskelkar

• . If f{f(x)}=x^2-x+1 for every x, find f(0).?

I think this problem lacks some more information. Is that right? Or can anyone solve it? Please spare some time for me.

• About chess moves during the games between grandmasters?

Where can I find various details of Chess grandmaster's matches say from year 2000? If someone sends names of the books or URL of websites (I don't know what URL means, but they call it URL so I am using it). What I need is to see how they did open the games and how the pieces were moved. If the logic also is included it will be great!

• Is there any particular method to deal with sine, cosine and other ratios of pi/7, pi/13, pi/17 etc?

Please see some problems from "http://www.iis.it-hiroshima.ac.jp/~ohkaw…"

there are many problems of this type and I am struggling with those.For example very first question:

Show that:

cos2A + cos6A + cos8A = [(sqrt13)-1]/4, where A = pi/13

• How to prove (tan12)(tan48)(tan54)(tan72) = 1 without using a calculator?

All angles are in degrees. I was stumped on this!

• "Signing in on mobile phone" problem!!!?

Recently I downloaded latest version of Y!M. Now I am facing a problem as follows: When I sign out of Y!M, I get signed in on my mobile phone even if I don't want, Can anyone suggest any steps which will help me to remain signed off "in toto". Especially when unwanted messages keep coming during night sleep or during working hours. Thanks you in advance.

2 AnswersNotices and Errors9 years ago
• How to watch internet channels on TV?

Some people told me I need a special LED TV for that. Some said I need "some" gadget to do this but failed to tell me the name of the gadget, where is it produced and other technical details. I request to all those who know the details to provide correct information. Any serious answer will be accepted.

• This is regarding continuity of a function?

What are examples of functions of one [ also 2] variable[s] which are continuous but not uniformly continuous. I shall appriciate if an answerer gives the value of x in the domain, clearly. Secondly in which text book will I get the proof of the theorem that every vontinuous function on [a, b] attains its bounds in [a b]. Many thanks in advance.

• Has any one of the answerers experienced this?

When I type the answer and click on "submit" 7 out of 10 times the screen says this question is deleted. When I scroll back, the question is very much there after several minutes. It is waste of my time. Has any one experienced this? And what is the way out? Can anyone Please tell me?

• I know how to insert MS-Eqn in a word document, but how do I insert MS EQN in a slide of a power point?

I tried it but the size of the object becomes so small that it can not be read from the screen. If I expand it by "dragging" the boundaries, no other word can be typed on the same slide. Is it that I am using a version of ms-equation which not suitable for vista?

• I have around 400 audio cassettes, How to convert them in to audio CD. Can it be done at home?

Well, I am 54 and since my young days I used gathers songs on audio cassettes. Now I have a collection of about 400 cassettes. Now in a car we get c.d. player. My difficulty is can I record those songs to an audio c.d. at home? Or do I have to go to a professional person?

• Regarding inserting ms-equation on power point slides.?

I am a maths teacher and usually I have to use power point for tests etc. I never succeed in inserting a Mathematical expression from ms-equation. If I do, its font size is to be adjusted. If I inert it in ms-word, there is no problem. But in a slide when this insertion I do, rest of the contents simply disappear. Can any one explain how to insert ms equation in power point slide? Thanks in advance.

• While chatting on yahoo chat, I see many people put their photo. How can I put mine?

I am usually surprised to see these photos changing as well. Is there any method to load my photo so that when I chat the recipient will be able to see it? How can I change it and how frequently can I change it. Thanks in advance for the help rendered.