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I got a project on my school magazine. They use the whole A4 page, so i used 13x8.5 inches 300 dpi. Is that correct dimension for the whole page?

Prove the identity tan A + cot A=2cosec 2A

I've got until this:

=tan A + (cosec^2 A-1)

=(sec^2 A - 1) + (cosec^2 A-1)

been trying for hours. couldn't do it. Any help will be appreciated. Thanks

I have been searching my book and the internet for 2 hours now. Need some help with this.

Ammonia + what = nitrate salt

Any help is much appreciated.

i bought my psp 3 years ago in dubai..(i live in malaysia) i don't know if it is downgradable...but i tried making a pandora battery..the original battery went really hot..so i threw it away and bought a new one last year..i tried it again no smoke,flame or hotness..i also made MMS...my psp is 5.51 slim

when i put the pandora battery..nothing happens..i have to start it myself..it didnt do it automatically..need help...what should i do..keep scratching or buy a new one..where is a site that can send battery to malaysia?

Now i have nvidia geforce 7300 gt. i know its kind of old one..:S

I use :

Windows 7 ultimate

Intell core duo 2.33ghz

32-bit

2gb ram

What should i upgrade to make it a gaming pc?

I bought the game yesterday and when i start the game..it lags a lot.

Please help

I was thinking of buying one. Should i wait cuz last time i bout a gaming console was in 2001..yeah it was ps1..ten years ago..should i wait and buy ps4 or..u tell mee

I'm thinking of buying one within this month or 2..I have a PS1 which i bought 10 years ago...and psp 3 years ago, ipad, (my whole family uses it) bought it last year...

should i wait or buy now?

now the price is $350 (converted) from malaysia ringgit. and the game prices are above $35..

And i would like to know more about ps3 like can it play ps 1 or 2 games? which is better fat or slim? blu ray..online..extra features etc

any help will by appreciated..Thanks!

I have a big exam right now, and on monday is the last 2 papers i'm taking...how do i get my parents to buy one?

i asked my mom and she said i have to get good grades...the exam is actually 3 years of study..i was in africa for the 2 first years...and i dont now if i can get good grades p.s im in malaysia.

and the results wont come out untill this december

pls help

Any website you guys know?

I couldn't remember the name..i watched it when i was like 7 years old..now im 15..lol

this movie is about a man with his dog lives in a house doesnt really talk much...one day they when to the moon using a rocket...something about crackers..thats all i can remember..hehe..really appriciated for any helps!!!!

I bought the hardrive about a year ago, Seagate. 500gb. The first 11 months was working good. But it started to slow down about a month ago. Why is it slowing down. Also when I'm watching movies in the hardrive, it lags. What should I do?

Will they attack US?

Will this lead to World War 3?

Did he plan with his team to do anything this year or next?

I have downloaded a few files using firefox download. Two files were downloaded two days ago and two other files were downloaded yesterday. Today, I tried to find the files but nothing.

Please someone help me, thanks!

I'm 15 and i didn't hit puberty yet(i think) but i do masturbate.

1) Is it bad?

2)Any affects

3)After ejaculation my penis go back to the original size...is that normal for my age?

Thx

rI have a science project coming up and the teacher asked me to do this, keep a straw under water for 15 seconds and then bring it up again. Please help!

I'm now living in Sudan. I can't download any apps in this country. So, what should i do?

Thanks! p.s. If you don't have anything to say that's related my question, then don't post anything!!

I'm planning on buying the 15 inch Macbook pro. Should i buy it now or later or next year?