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Solve for 0\leq x\leq 2\pi \cos x=\frac{1}{2} I completely forgot how to do these equations. It had something to do with ASTC ..

This isn't really the right place to ask, but anyway, Set up an appratus involving a heat absorbing material (such as a piece of metal). Paint one of the pieces of metal black, and the other one white. Now place an equal size ice cube (if possible) on both of the pieces of metal under a...

You could say that: Due to experimental errors such as inaccurate measurements of mass / height, the acceleration due to gravity differed from the original 9.8ms^-2. If you want, you can take air resistance into account. (There was an article on Google that suggested the spinning motion of the...

I was wondering if emf (electromotive force) can be negative? And what formula would you suggest to use for the following question? Q1.2 A model plane has wings that are each 2.55m long. If the plane is travelling at 84.0km/h in a region where Earth's magnetic field has a vertical...

Thanks :D I was playing around with the differentials and found that When f'(x) = 0, it's a stationary point When f''(x) = 0, it's a point of inflexion. Score :0

I followed your instructions for a) and b) and it worked :D. But I forgot how to find the turning points.. (Did it have something to do with f''(x)?)

This time, there's only 1 questions haha. Question 1)- I remembered how,so ignore this one :D. Question 2)- Same goes with this one. Question 3)

Never mind, I just made myself look even more stupid.

LOL. I like your style of humor :). Thanks for answering ! ^^ But as you said, still a crap load of questions :|

Maybe this is off-topic, but would the above method apply to an iPod too? I went swimming with my iPod in my pocket -_-. It only turns on when the PSU is connected. It's dead on it's own. Any ideas? :confused:

Thanks for the encouragement :| Those identities are one of the things I hate the most >: ( . But i'll try! I'll start memorizing them now!

I absolutely suck with trig :| All I can remember is perhaps the exact values. Sorry, I'm stupid >.<"

All clear! ;D Thanks to everyone! Rep added :] Question 1) - Solved, thanks to roadrage75. Question 2) - Solved, thanks to youngminii. Question 3) - Solved, thanks to kurt.physics + jetblack2007. Question 4) - Solved, thanks to gurmies. Question 5) - Solved, thanks to...

Thanks for the help .. Although the last question is not visible -.-

Yes. More help >_<""" 1) 2) 3) Don't worry about sketching the graph >.<" I think I can manage that. All for now ^_^

Thanks so much! :D Now I get the proving thing a bit more :} Edit: @ Franman: Yes, it's a part of my homework, I typed it up in MS Word 2007 to make it look neat ^_^.

I need full working out :) Or else I'll end up not getting it again ><" Thanks! 1)Simplify 2) A country property increased in value by 12.5% to a new value of $36 000. What was the value of the property before the increase? 3) 4) 5) 6) 7) 8) a) b) Please help D: