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Sketching graphs with only the angle in degrees
Posted in Math with tags angle, circle, trig on March 5, 2009 by JesseAnother view from class. The math is simple simple, just need to remember to do things at a good pace or I’ll get too far ahead of myself, rendering steps missed (in the write out portion) and points missed.
Perplexing question
Posted in Math with tags trig on March 1, 2009 by JesseWhy is it that at 3:45 in the morning the math is clearer then at any other time in the day?
Trigonometry studies
Posted in Math with tags studying, trig on February 27, 2009 by JesseThought I’d post my trigonometry study setup. If this was back at the apartment I’d have a couple extra textbooks with me. Lame, I know – no math I haven’t figured out how to draw a triangle with LaTeX yet.
Things to look for in the picture:
- 20 y/o work phone
- Binder with lab handout for my Geology lab and the professors notes (printed from her website)
- On the bottom right, notebook used sideways
- In the middle I have my problem set, ~50ish problems
- To the left is the textbook printout – we use an online textbook
Nova – The Best Mind Since Einstein – Richard Feynman Bio
Posted in Physics with tags genius, nova, Physics, Richard Feynman on February 27, 2009 by JesseI woke up around 2:15 this morning and couldn’t fall back asleep. Rather then being productive I thought I’d finish watching the Feynman biography from Nova (Circa late 80’s or early 90’s). It was really neat to see Nova again from when I watched it as a kid.
Off to solve some trig problem sets, otherwise:
Trig
Posted in Math with tags pre-calculus, trig on February 26, 2009 by JesseFinally hitting some trig for the first time in my life. Crazy stuff. I’m sure I’ll have a problem up here soon to give a glimpse of what we’re doing.
Logarithmic pain
Posted in Math with tags fraction, logarithm, pre-calculus, radical on February 25, 2009 by JesseFound a wall last night while trying to complete this logarithm:
![\cfrac{\log_5 (5^3\sqrt{5})}{\log_{20} (\sqrt[6]{20})}](http://l.wordpress.com/latex.php?latex=%5Ccfrac%7B%5Clog_5+%285%5E3%5Csqrt%7B5%7D%29%7D%7B%5Clog_%7B20%7D+%28%5Csqrt%5B6%5D%7B20%7D%29%7D+&bg=000000&fg=B0B0B0&s=0 "\cfrac{\log_5 (5^3\sqrt{5})}{\log_{20} (\sqrt[6]{20})}")
A bit later I’ll update the post with the answer.
…
Now that it’s later here’s how I solved the problem while learning the LaTeX to post it this morning:
- First we’re going to show the original equation:
- Next we’re going to take the
in the numerator and change it to
. We’re also going to take the
from the denominator and raise it to
which leads us to:
- Now we get to do one of my favorite things, eliminate the logarithms. One of the rules of logarithms states that
. Before we do that lets simplify
and make it
. This will make simplifying the logarithm much clearer and give us:
- From here you just solve the fractions like so:
*Note, I had more problems learning the LaTeX then figuring out the math for the problem!
Beautiful images of a stripped earth
Posted in Geology with tags environment, environmental damage on February 25, 2009 by JesseNever thought you’d hear those words in a sentence, did you? I’ll say that I’m swayed by orange and the the post author explain the pictures and who posted the images. The destruction of the earth is an interesting topic – one I won’t debate around in this post.
Math 1330 (Pre-Calculus): Exam 2 review
Posted in Math with tags exam, Math, pre-calculus, review on February 24, 2009 by JesseAfter having fallen asleep for the first problem in the lecture I figured it was time to pep myself awake. Luckily the class is making alot of sense and I’m not having any issues this far. I figure the nap will keep me awake later into the night when I have to hit the quiz.
