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#26 2006-06-23 22:58:51
- fusilli_jerry89
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- Registered: 2006-06-23
- Posts: 86
Re: Trigonometry
T # 8
If x*sin60°*tan30°=(sin45°*cot45°)/(cos30°*cosec60°), find x.
for this i got every part easily cept sin 45 because it equals a long decimal so it didnt seem right but i got 1.414
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#27 2007-04-23 07:21:27
- Eeyore
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- Registered: 2007-04-16
- Posts: 8
Re: Trigonometry
The foot of the pole and the midpoint of the pole are in the same horizontal level. ??
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#28 2011-06-27 02:31:41
- anonimnystefy
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- Registered: 2011-05-23
- Posts: 16,049
Re: Trigonometry
hi ganesh
T#7 θ=60°
T #8 I got x=√2
Last edited by anonimnystefy (2011-06-27 02:38:36)
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#29 2011-09-02 12:01:41
- ShivamS
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- Registered: 2011-02-07
- Posts: 3,648
Re: Trigonometry
[hide]
#2
1/9
#3
266.67m high
#5
0.258819045
What happened to number 1 and 4?
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#30 2011-09-02 12:05:22
- ShivamS
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- Registered: 2011-02-07
- Posts: 3,648
Re: Trigonometry
Oh wait, there they are.
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#31 2011-09-04 03:22:57
- Stormtangent
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- Registered: 2011-09-03
- Posts: 33
Re: Trigonometry
7.
8.
"Have you ever had a dream that you were so sure was real? What if you were unable to wake from that dream? How would you know the difference between the dream world and the real world? "
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#32 2011-09-04 16:00:15
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,384
Re: Trigonometry
Hi anonimnystefy, Shivamcoder3013, Stormtangent, and fusilli_jerry89,
The solutions #7 and #8 are correct. Excellent!
#9. If two angles of on the base of a triangle are 22.5 degrees and 112.5 degrees, then what is the ratio of the height of the triangle to length of the base?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#33 2011-09-05 12:15:07
- Stormtangent
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- Registered: 2011-09-03
- Posts: 33
Re: Trigonometry
"Have you ever had a dream that you were so sure was real? What if you were unable to wake from that dream? How would you know the difference between the dream world and the real world? "
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#34 2011-09-05 17:18:16
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,384
Re: Trigonometry
Hi Stormtangent,
The solution #9 is correct. Brilliant!
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#35 2011-09-18 09:51:08
- Stormtangent
- Member
- Registered: 2011-09-03
- Posts: 33
Re: Trigonometry
Any new problems here? I'm up for some of these, as I need to hone my trig.
"Have you ever had a dream that you were so sure was real? What if you were unable to wake from that dream? How would you know the difference between the dream world and the real world? "
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#36 2011-09-19 17:51:49
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,384
Re: Trigonometry
Hi Stormtangent and bobbym
#10. If
, find the angle A.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#37 2011-09-19 18:25:15
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Trigonometry
Hi ganesh;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#38 2011-09-20 00:08:52
- Maiya
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- Registered: 2011-08-11
- Posts: 124
Re: Trigonometry
guess its 30 degree
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#39 2011-09-20 00:21:13
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,384
Re: Trigonometry
Hi bobbym and Maiya,
The solution #10 is correct. Good work!
[Please use the hide tag, Maiya, to hide the solutions]
[hide= The message to be hidden][/hide ]#11. Find the value of
.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#40 2011-09-20 00:23:14
- Maiya
- Member
- Registered: 2011-08-11
- Posts: 124
Re: Trigonometry
sorry i din't know that code
so whats the code????????
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#41 2011-09-20 00:25:51
- Maiya
- Member
- Registered: 2011-08-11
- Posts: 124
Re: Trigonometry
don't bother,............
i got it anyway
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#42 2011-09-20 00:27:21
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,384
Re: Trigonometry
Hi Maiya,
Hope you get the code!
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#43 2011-09-20 00:30:32
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Trigonometry
Hi ganesh;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#44 2011-09-20 00:41:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,384
Re: Trigonometry
Hi bobbym,
The solution #11 is correct. Well done!
#12. Find the value of
.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#45 2011-09-20 00:46:53
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Trigonometry
Hi ganesh;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#46 2011-09-22 07:14:42
- Stormtangent
- Member
- Registered: 2011-09-03
- Posts: 33
Re: Trigonometry
Hi Ganesh,
"Have you ever had a dream that you were so sure was real? What if you were unable to wake from that dream? How would you know the difference between the dream world and the real world? "
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#47 2011-09-22 17:43:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,384
Re: Trigonometry
Hi bobbym and Stormtangent,
The solution #12 is correct, bobbym! Excellent!
The solutions #10, #11, and #12 are correct, Stormtangent! Excellent!
#13. Find the value of
.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#48 2011-09-22 17:58:56
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Trigonometry
Hi ganesh;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#49 2011-09-23 07:56:31
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Trigonometry
hi ganesh
the thread name is spelled wrong. 
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#50 2011-09-23 12:13:27
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Trigonometry
Hi anonimnystefy;
I took care of it.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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