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☖ Forums → Discussion Forum → Trig problem
Trig problem
2004-07-30, 12:02 PM #1
Let's say I have a right triangle:
[http://imagecorner.sorrowind.net/252/81091224379.jpg]
d and Θ are variables, x is dependent on these variables. α can, of course, be derived by 90 - Θ. Solve for x using only[/i] sine, cosine, or arctangent.

I, for one, have no freakin' idea.

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Valuable Life Lesson: Frog + Potato Gun = Blindness
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2004-07-30, 12:11 PM #2
x = d *(sin theta / cos theta)

?

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2004-07-30, 12:16 PM #3
Hmm... seems to work.

You get a catloaf.

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For a healty meal, eat mashed potatoes, peas, and catloaf.
cuttin' into my free time, man."

Valuable Life Lesson: Frog + Potato Gun = Blindness
Catloaf, meet mouseloaf.
My music
2004-07-30, 12:20 PM #4
Trig identities are your friend.

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"Windows [n.]
A thirty-two bit extension and GUI shell to a sixteen bit patch to an eight bit operating system originally coded for a four bit microprocessor and sold by a two-bit company that can't stand one bit of competition."
That painting was a gift, Todd. I'm taking it with me.
2004-07-30, 1:16 PM #5
Too bad I don't remember any of them. [http://forums.massassi.net/html/frown.gif]
Catloaf, meet mouseloaf.
My music
2004-07-30, 3:10 PM #6
What's arctangent?
"When it's time for this planet to die, you'll understand that you know absolutely nothing." — Bugenhagen
2004-07-30, 3:19 PM #7
BV stole my thunder :P i love trig

and yes...trig identities are your friend [http://forums.massassi.net/html/biggrin.gif]

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2004-07-30, 3:24 PM #8
Quote:
<font face="Verdana, Arial" size="2">Originally posted by Master Tonberry:
What's arctangent?</font>


I believe it's the opposite of tangent (tan^-1 <angle> ).

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2004-07-30, 3:30 PM #9
Arc is an older designation for an inverse operation.

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2004-07-30, 3:51 PM #10
Quote:
<font face="Verdana, Arial" size="2">Originally posted by DogSRoOL:
Too bad I don't remember any of them. [http://forums.massassi.net/html/frown.gif]</font>


Neither could I. Which is why I was an evil child when I took my trig exam last year and plugged the identities into my calculator.

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Put me in the hospital for nerves and then they had to commit me,
You told them all I was crazy,
They cut off my legs now I'm an amputee, God damn you.
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2004-07-30, 5:23 PM #11
Math is the devil

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2004-07-30, 7:38 PM #12
Some old hippy, cought another hippy, tripping on acid.
I learned that in geometry

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2004-07-30, 7:59 PM #13
Quote:
<font face="Verdana, Arial" size="2">Originally posted by phoenix_9286:
Neither could I. Which is why I was an evil child when I took my trig exam last year and plugged the identities into my calculator.

</font>


Or you just have a wonderful calculator with symbolic manipulation that has them built in

/me hugs his TI-89
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2004-07-30, 9:14 PM #14
Ti83+ > *

[http://forums.massassi.net/html/tongue.gif]

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2004-07-31, 5:29 AM #15
Quote:
<font face="Verdana, Arial" size="2">Originally posted by Elana14:
Some old hippy, cought another hippy, tripping on acid.
I learned that in geometry

</font>


I learned it on da streets.

...

or not.

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For a healty meal, eat mashed potatoes, peas, and catloaf.
cuttin' into my free time, man."

Valuable Life Lesson: Frog + Potato Gun = Blindness

[This message has been edited by DogSRoOL (edited July 31, 2004).]
Catloaf, meet mouseloaf.
My music
2004-07-31, 7:24 AM #16
Quote:
<font face="Verdana, Arial" size="2">Originally posted by Aaron:
Or you just have a wonderful calculator with symbolic manipulation that has them built in

/me hugs his TI-89</font>


Nah. I made a new program, but instead of actually WRITING a program, I used it as a notepad type thing. To view it, I just went and told the calculator to edit the aforementioned program.

And yes, TI-83+ > *

------------------
Put me in the hospital for nerves and then they had to commit me,
You told them all I was crazy,
They cut off my legs now I'm an amputee, God damn you.
============
Frogblast the Vent-Core!
"In the beginning, the Universe was created. This has made a lot of people very angry and has been widely regarded as a bad move." - Douglas Adams
Are you finding Ling-Ling's head?
Last Stand
2004-07-31, 3:43 PM #17
Quote:
<font face="Verdana, Arial" size="2">Originally posted by Elana14:
Some old hippy, cought another hippy, tripping on acid.
</font>


sine=opp/hyp , Cos=adj/hyp , tan=opp/adj

------------------
IMPORTANT NOTICE PLEASE READ

Employees dying on the job are faling to fall down. THIS PRACTICE MUST STOP as it becmes impossible to distinguish between death and the natural movement of he staf.

Any employee found dead in an upright position will be dropped from the payroll.
Laughing at my spelling herts my feelings. Well laughing is fine actully, but posting about it is not.
2004-07-31, 5:01 PM #18
Quote:
<font face="Verdana, Arial" size="2">Originally posted by phoenix_9286:
Nah. I made a new program, but instead of actually WRITING a program, I used it as a notepad type thing. To view it, I just went and told the calculator to edit the aforementioned program.

And yes, TI-83+ > *

</font>


I write all my programs fully in my caccluator. go,d i spent a huge amount of time on that thing. i have almost every equation from either chemistry, physics, or pre-calc that i used all year. One damned smart calculator at this point [http://forums.massassi.net/html/tongue.gif]

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2004-07-31, 6:45 PM #19
Can't see pic.

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2004-07-31, 6:47 PM #20
math sucks.



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2004-07-31, 7:00 PM #21
Ignore me. The forums hate me.

[This message has been edited by Wolfy (edited July 31, 2004).]
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2004-07-31, 7:13 PM #22
Quote:
<font face="Verdana, Arial" size="2">Originally posted by alpha1:
Ti83+ > *
</font>


Lies! Have you ever used the 89??
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