Inverse functions and Sneeches

Learning target: students can write equations for inverse functions

First we start out reviewing composition of functions f(g(x)).  I've never taught inverses this way before so we'll see.

This lesson is partially a tribute to a personal hero of mine.

after they've been working for a while we take a break by watching this video, its about 12 minutes and not about math, but students are due for something novel in class, they've been grinding the wheel for a while, so we watch this:

Here is the worksheet that I've been using:

4/22/13 Law of Sines and Cosines

Learning Target: students can apply trigonometry to non-right triangles

This lesson was taken from the following location, and I would like to thank Kate Nowak for this idea.
http://function-of-time.blogspot.com/2011/03/force-vectors-and-youtube-for.html

 

Video: http://www.youtube.com/watch?v=4RdxU-0W-RE


Check for understanding:


Check for understanding: LAW OF COSINES:


Homework: classroom for success (due tomorrow)

Wed/Thurs 4/17/13-4/18/13 arcfunctions

Learning target: students can find angles using arc-functions.
Supporting learning target: students can explain the difference between inverse-trig functions and arc-trig functions

Activity: We will put a new entry in our periodic functions table of contents: trig identities.   Then I will have students create a new page, titles trig inverse and arc-functions.  Here are the directions:


1.)Pick a partner next to you.

2.) trade notebooks.

3.) Your partner will neatly draw 4 right triangles on your page, and you will draw 4 on theirs.

4.) When you are done hand the notebook back to the owner.

5.) Correctly identify the angles of the triangles drawn by only measuring the side lengths, finding a trig ratio, and referencing the trig values chart.

(use any of the three trig functions per triangle, but do at least one of each overall)

Handout:


Test for understanding, half page, students do the front 4 triangles and high challenge students can practice #5 & #6 on the back.


Classwork solutions:


 Homework (due Friday) worksheet


Homework (due Tuesday)  classroom for success

Friday 11/30/12 inverses

Learning target: students can create graphs and tables of functions and their inverses

Homework: No HW