Tuesday, September 29, 2009

Work Period

Yesterday we had a substitute teacher. Nothing new was taught to us, so we had a work period. I worked on my accelerated math and got most of it done.

Thursday, September 24, 2009

Solving Using Real Numbers

Today we did some examples on solving trig equations over real numbers. I didn't really understand everything, but I do understand that the letter k represents an integer. We were also given a practice test to prepare us for our test next Thursday.

Tuesday, September 22, 2009

Work Period

Instead of learning something new today we were given the class to work on assignments that were assigned to us from previous classes. I really liked today's class because I usually don't have time to work on my assignments at school and I was able to get help from my teacher and other students in my class. I found today to be very productive because I finished my chart (and understand how I got all the answers) and I also went to math-tutoring today and that helped me with getting some assignments completed.

Monday, September 21, 2009

Random Math Review

Today we had a discussion about the chart that was due today and how that chart will benefit us on future tests. I havn't completed the chart, but I will get help tomorrow either during my spare or during math tutoring.
We also talked a bit about Accelerated Math, and Mr Maks went over some examples off of Jill's accelerated math sheet.

Friday, September 18, 2009

Today we were shown how to solve a trig equation by graphing it. I didn't understand about 75% if it, so I will have to wait until Monday to get the recording. I found that after I watch the recording of the class a second time I have a better understanding of what was taught. We also learned about a program on the computer called Graphmatica

Thursday, September 17, 2009

More About the 6 Trig Ratios and What Not

Today we were given a better understanding of the 6 trig ratios and made a chart to show how to find the sine and cosine of angles without using a calculator. I remember in previous grades, people would say that in grade 12 you were not allowed to use a calculator, and I always wondered how that was possible because of the fact that you needed a calculator to show you how to find the tangent/sine/cosine of an angle, but now I see how that's possible! I didn't copy notes down in class but tomorrow I will get the notes off of the computer by saving them to my thumb drive and copy stuff out into my scribbler I keep specifically for notes.
Also today Mr. Maks went over how to write a proper (?) blog, so hopefully I am on the right track, considering this post is actually my experiences with math today, not just notes that I gathered.
Also Matt helped me out with fractions (like turning degrees to radians, and simplifying those fractions). I am absolutely terrible when it comes to fractions, so that's one thing that I will definitely have to practice.

Wednesday, September 16, 2009

Website

I came across this website while searching on Google and it has notes/examples on all the things we have been learning about the Unit Circle

http://www.analyzemath.com/Trigonometry.html#angles_trigonometry

Unit Circle Continued

6 Trig Ratios
Sin theta= y/1 ; Cosecant theta= 1/y

Cosine theta= x/1 ; Secant theta= 1/x

Tangent theta= y/x ; Cotangent theta= x/y

Unit Circle:


Monday, September 14, 2009

Radians & Degrees/ Unit Circle

Initial- starting point
Terminal- ending point

Complimentary- pi rads/2 (equals 90)
Supplementary- pi rads (equals 180)

Clockwise motion on a coordinate plain = negative
Counterclockwise " "= positive

Formula for arc length: theta= s/r
- theta= central angle in rads
- s= arc length
- r= radius

UNIT CIRCLE
Conforms to this x^2+ y^2= r^2 OR x^2+y^2= 1 (implies radius= 1 unit long)

Friday, September 11, 2009

Trigonometry

Radian- a unit of angular measure equal to the angle subtended at the centre of a circle by an arc equal in length to the radius of the circle; equal to approximately 57.3 degrees (or 180/pi).

Degrees to Radian- ___degrees x pi/180
Radian to Degrees- ___pi x 180

Goals

- To have a minimum average of 70% in math
- To participate in school activities such as MOGA and Summer Activity Day
- To have a minimum average of 70% in each class for both semesters
- To not be afraid to ask questions
- To work at something until I understand it