Wow! As I was preparing for tomorrow's test, I found this amazing 'cheat sheet.' Really it's just a bunch of formulas, but only for trig. I still find it amazing because it includes virtually everything! I'd check it out if I were you! Print yourself a copy, I know I will.
Trigonometry 'Cheat Sheet'
Showing posts with label Trig Identities. Show all posts
Showing posts with label Trig Identities. Show all posts
Tuesday, March 24, 2009
Tuesday, March 17, 2009
Tuesday, March 17, 2009
I just lost my whole post because I was trying to upload the images in the order that they were created...
I cut out the text, then uploaded the images, then saved the draft, and when I was just about to paste the text back in my computer hung itself up(froze) and so the text was lost...
Here are the screens for now, maybe I wil try to retype the text later, but for now this will have to do...
I cut out the text, then uploaded the images, then saved the draft, and when I was just about to paste the text back in my computer hung itself up(froze) and so the text was lost...
Here are the screens for now, maybe I wil try to retype the text later, but for now this will have to do...
Tuesday, March 10, 2009
Tuesday, March 10, 2009
Trigonometric Identities
If you ever get lost in a question, just insert numbers into the equation to see how the problem will act, like so:
Here is the video!!
Alright, so the lesson to day was trig identities, and Mr max dedicated this class to figguring out a few trig identity problems. Quote "there is nothing better than solving a few (trig identity) problems in math class on a tuesday afternoon".
Here are the screenshots of our the problems we went about doing, as well as a couple of Techniques to help us Identify a proof:
If you ever get lost in a question, just insert numbers into the equation to see how the problem will act, like so:
Friday, March 6, 2009
Trig Identities
The weekend questions are 1 to 8 on exercise 14.
An identity between equations exists when the two equations equal one another no matter what x is substituted for. An identity can not exist between two equations that differ on a graph and just because two equations come out the same on a graph doesn't necessarily mean that an identity exists between them. The question is still out on an example that shows two equations that are graphed the same but do not create an identity between them.
An identity between equations exists when the two equations equal one another no matter what x is substituted for. An identity can not exist between two equations that differ on a graph and just because two equations come out the same on a graph doesn't necessarily mean that an identity exists between them. The question is still out on an example that shows two equations that are graphed the same but do not create an identity between them.
I've also been asked to inquire whether or not Max should project his screen onto ours or let us roam free with supervision. In my opinion I do not see the benifit of him projecting his screen onto mine because if I am understanding what he is demonstating then it should be my personal responsibility to listen, and on the other hand I should have the tools necessary to get up to speed made available to me.
Another one of our debateible topics is the open class where we work away at a more seperate pace or where Max straps us all into the same car and takes us with him at his pace. I find that I get more paper work done in the open classes, but I also find that my progess is often times impeded by my lack of understanding of the subject so require help often. In the lesson classes I can sit back and listen, but I find that I have less of a personal motivation to learn when I'm not doing the questions first hand.
Thursday, March 5, 2009
No teaching so just random stuff
Ok first off sorry this post is a week late.
Well Mr. Max didn't teach anything on Thursday so I guess I'll just post random stuff...
So today (Wednesday March 11) we had our third test and personally I thought the Trig Identity was ridiculous, but I haven't done a real Trig Identity yet either. Oh and without my calculator I would have gotten about zero on this test so I think its about time I got weaned off it, (but I still want it for the next test).
Ok joke time, this ones pretty lame but I like it.
A math student is pestered by a classmate who wants to copy his homework assignment. The student hesitates, not only because he thinks it's wrong, but also because he doesn't want to be sanctioned for aiding and abetting.
His classmate calms him down: "Nobody will be able to trace my homework to you: I'll be changing the names of all the constants and variables: a to b, x to y, and so on."
Not quite convinced, but eager to be left alone, the student hands his completed assignment to the classmate for copying.
After the deadline, the student asks: "Did you really change the names of all the variables?"
"Sure!" the classmate replies. "When you called a function f, I called it g; when you called a variable x, I renamed it to y; and when you were writing about the log of x+1, I called it the timber of x+1..."
Also I think we were supposed to have up to Objective 17ish done in accelerated math, maybe 19.
Ok here is a website with all the trig identities, (as far as I know), and probably, (hopefully), a few we will never have to use, I like this site because they are all organized and written well.
http://www.mathwords.com/t/trig_identities.htm
Heres another one with what I think is a useful explanation of some trig identity solving.
http://www.youtube.com/watch?v=9uoKutwuCio
Ok heres one more joke
A woman in a bar tries to pick up a mathematician.
"How old, do you think, am I?" she asks coyly.
"Well - 18 by that fire in your eyes, 19 by that glow on your cheeks, 20 by that radiance of your face, and adding that up is something you can probably do for yourself..."
Ok one more just to put math in prospective
What is the difference between a Ph.D. in mathematics and a large pizza?
A large pizza can feed a family of four.
Well Mr. Max didn't teach anything on Thursday so I guess I'll just post random stuff...
So today (Wednesday March 11) we had our third test and personally I thought the Trig Identity was ridiculous, but I haven't done a real Trig Identity yet either. Oh and without my calculator I would have gotten about zero on this test so I think its about time I got weaned off it, (but I still want it for the next test).
Ok joke time, this ones pretty lame but I like it.
A math student is pestered by a classmate who wants to copy his homework assignment. The student hesitates, not only because he thinks it's wrong, but also because he doesn't want to be sanctioned for aiding and abetting.
His classmate calms him down: "Nobody will be able to trace my homework to you: I'll be changing the names of all the constants and variables: a to b, x to y, and so on."
Not quite convinced, but eager to be left alone, the student hands his completed assignment to the classmate for copying.
After the deadline, the student asks: "Did you really change the names of all the variables?"
"Sure!" the classmate replies. "When you called a function f, I called it g; when you called a variable x, I renamed it to y; and when you were writing about the log of x+1, I called it the timber of x+1..."
Also I think we were supposed to have up to Objective 17ish done in accelerated math, maybe 19.
Ok here is a website with all the trig identities, (as far as I know), and probably, (hopefully), a few we will never have to use, I like this site because they are all organized and written well.
http://www.mathwords.com/t/trig_identities.htm
Heres another one with what I think is a useful explanation of some trig identity solving.
http://www.youtube.com/watch?v=9uoKutwuCio
Ok heres one more joke
A woman in a bar tries to pick up a mathematician.
"How old, do you think, am I?" she asks coyly.
"Well - 18 by that fire in your eyes, 19 by that glow on your cheeks, 20 by that radiance of your face, and adding that up is something you can probably do for yourself..."
Ok one more just to put math in prospective
What is the difference between a Ph.D. in mathematics and a large pizza?
A large pizza can feed a family of four.
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