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Author Topic: Radians  (Read 2322 times)

nid404

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Radians
« on: February 01, 2010, 02:19:06 am »
Check the doc below. Please help me with the question
Thanks
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Offline Saladin

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Re: Radians
« Reply #1 on: February 01, 2010, 08:02:05 am »
this is quite hard. I'll do it after say 3 hrs.
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nid404

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Re: Radians
« Reply #2 on: February 01, 2010, 08:40:47 am »
Quote from: The Dude 321 on February 01, 2010, 08:02:05 am
this is quite hard. I'll do it after say 3 hrs.

No prob....I actually managed to get the right ans for the first bit....but I did it some vague way which i think is incorrect...If i don't show my method, I will get a big zero...
So take your time....jst gimme the steps if u get the ans. Thanks :)
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Offline Saladin

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Re: Radians
« Reply #3 on: February 01, 2010, 09:43:55 am »
how did u get the first answer, it doesn't make any sense, can u send me the paper, or have you missed out and information?
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Offline Saladin

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Re: Radians
« Reply #4 on: February 01, 2010, 12:37:08 pm »
this has to be a cambridge question, because I cant do it with the knowledge that I have abt radians.
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nid404

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Re: Radians...astar help!!
« Reply #5 on: February 01, 2010, 01:45:08 pm »
Yup it's CIE.....I think astar will be able to help
Thanks anyway
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Offline astarmathsandphysics

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Re: Radians
« Reply #6 on: February 01, 2010, 01:45:46 pm »
I am here lemme read the q
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Offline astarmathsandphysics

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Re: Radians
« Reply #7 on: February 01, 2010, 01:57:05 pm »
here
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nid404

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Re: Radians
« Reply #8 on: February 01, 2010, 02:23:52 pm »
Thanks a ton!

& m sorry im not able to help much and be as active cuz my mocks r comin up...I've wasted too much time...I have to study srsly now
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Offline Saladin

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Re: Radians
« Reply #9 on: February 01, 2010, 02:31:45 pm »
hey, i did it like that but i did not know i i got it wrong.
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nid404

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Re: Radians
« Reply #10 on: February 01, 2010, 02:33:41 pm »
Quote from: The Dude 321 on February 01, 2010, 02:31:45 pm
hey, i did it like that but i did not know i i got it wrong.
me too :(
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nid404

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Re: Radians
« Reply #11 on: February 01, 2010, 02:35:08 pm »
and 1 more
3x-4sin x=0

value of x within 0.1 rads...by tabulating values of 3x-4sinx and looking for a sign change, or otherwise

I feel stupid >:( :'(

Please help
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Alpha

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Re: Radians
« Reply #12 on: February 01, 2010, 02:40:04 pm »
Quote from: nid404 on February 01, 2010, 02:35:08 pm
and 1 more
3x-4sin x=0

value of x within 0.1 rads...by tabulating values of 3x-4sinx and looking for a sign change, or otherwise

I feel stupid >:( :'(

Please help

Divide throughout by sin x.

3 cosec x = 4

Then, you can continue...?
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nid404

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Re: Radians
« Reply #13 on: February 01, 2010, 02:43:38 pm »
 ???

Please continue....cuz I don't knw how to find cosec inverse..... :-[
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Alpha

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Re: Radians
« Reply #14 on: February 01, 2010, 02:45:57 pm »
Ah no....


3x cosec x....
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