Mrs. Lassiter's Blog

How to Reach Me

If you must reach me you may email me at gloria.lassiter@cobbk12.org and I will return your email as soon as possible.  I am available in the morning at 7:50 until 8:10 and after school from 3:45 until 5:00  most days for extra help.

Week of Jan 23rd - 27th

Math 4  Test over Solving trig equations and Identities will be Tuesday, January 31st!!!

Monday , January 23rd - Students concentrated on solving trigonometric equations. The assignment was 1 - 17 odd of Solving Worksheet #2 

Tuesday, January 24th - Students completed worksheet #2 problems 2 - 16 even.

Wednesday, January 25th - Students worked on more solving now using double angle identities. The assignment is 1- 13 odd from the worksheet.

Thursday, January 26th - Students are completing the solving worksheet that uses double angle identities. The assigment is 2 - 14 even.

Friday, January 27th - Student are working on a review in preparation for the test on Tuesday. **** Students problem #3 on today's worksheet has an error in the equation. It should read secx+1/ tanx = tanx/secx-1.

Week of January 10 - 13th

Welcome Back Students! I hope that you had a wonderful winter break and you are now ready to forge a head an complete the second semester strong.

Math 4

Tueday, January 10th - We will review Sum and Difference Identities by calculating some exact answers, and verifying some identities. The assignment is Worksheet 4: 1 - 13 odd, 43 and 45.

Wednesday, January 11th - Students continue to memorize the sum and difference identities by completing worksheet 4: 2 - 14 even, 47 and 49.

Thursday, January 12th - We will then start constructing and memorizing the Double angles, and half angle formulas for sine, cosine and tangent. The assignment  is worksheet : 1- 6 odd, 21 - 23 odd, 31 -37 odd, 47 - 49 odd.

Friday, January 13th - We continue to learn the double and half angle formulas. The assignment is the completion of yesterday's worksheet. 2 - 6 even, 22 - 24 even. 32 - 38 even, 48 - 50 even.

Week of December 12th - 16th

Monday, December 12th - Students will review for identities Test

Tuesday, December 13th - Test over identities Part I

Wednesday, December 14th - Final Review

Thursday, December 15th - Final Review

Friday, December 16th - Final Review

Week of December 5th - 9th

Monday, December 5th - We will review for tomorrow's quiz on verifying and simplifying trigonometric expressions then students will learn how to solve trigonometric equations. The assignment is 11 - 24 all.

Tuesday, December 6th -Quiz over verifying and simplifying trigonometric expressions.

Wednesday, December 7th - continue solving trignometic equations.

Thursday, December 8th - Students will explore the sum and difference identities (1 - 10)

Friday, December 9th - Continue working on sum and difference identities worksheet.( 11 - 20)

Week of November 28th - December 2nd

Math 4 -

Monday, November 28th - Students began to investigate the Fundamental Trigonometric identities. The assignment is a worksheet of learning how to simplify identities. problems 1 - 12 .

Tuesday, November 29th - Students continue to simplify identities using the fundamental trigonometric identies. problems13 - 24.

Wednesday, November 30th - Students now learn how to verify trigonometric identities. WS #2 (1 - 10)

Thursday, December 1st - Students will continue to verify identities WS#2 (11 - 20)

Friday, December 2nd - Review of using the Fundamental Trig Identities to simplify and verify .

Week of November 14 - 18th

Math 4

Monday , November 14th - Student studied Inverse Functions.  Worksheet

Tuesday, November 15th - More Inverses. Worksheet 16.4

Wednesday, November 16th - Review of graphing of trig functions

Thursday, November 17th - Part I - Test on Graphing

Friday, November 18th - Part II - Graphing Test

Week of November 7th - 11th

Math 4

Monday , November 7th - Students completed worksheet 4 - 5 over graphing of secant, cosecant, tangent and cotangent functions.

Tuesday, November 8th - Student Holiday

Wednesday, November 9th - Students took a quiz over graphing of sine and cosine graphs and writing of sine and cosine functions from graphs and information.

Thursday, November 10th - Students began writing equations of sinusoidial word problems. The homework is problem #1, 2, and 3.

Friday, November 11th - Students continue to work the word problems.  #6, 7 and 9a.

Week of October 31st - November 4th

Math 4 - 

Monday, October 31 st. - Students learned how to graph sine and cosine graphs that are not vertically or horizontally shifted. The assignment was  Worksheet #1 problems 1 - 8, 13 - 16.

Tuesday, November 1st - Students continued to explore graph sine and cosine graphs that are shifted horizontally and vertically. The assignment was Worksheet #2 problems 1, 4, 5, 6, 10, 11, 15, 16.

Wednesday, November 2nd - Students will use the rules of reversibility and write the equations for sine and cosine functions from graphs and from information. Assignment worksheet #3 (both sides of the worksheet).

Thursday, November 3rd - Graphing of Secant and Cosecant graphs.  Assignment is the front side of Worksheet #4 and 5.  (1 - 8 all)

Friday, November 4th -Graphing of Tangent and Cotangent graphs. Assignment is the back side of worksheet #4 and 5. (9 - 16 all)

Week of October 24th -28th

Math 4 -

Monday, October 24th - Since I was out for the last two days, today served as a catch up day. Students had an opportunity to get questions they encountered from Wednesday - Friday's assignments answered. Students  also took the 4th unit circle timed quiz over the six trig functions in radians.

Tuesday, October 25th - Students will prepare for the second Trig Test occurring on Thursday, October 27th!!! Review Packet. Students will take the 5th unit circle timed quiz over a potpourri of all six trig functions in radians and degrees

Wednesday, October 26th - Students will continue to review. Students will take the 6th and last of the unit circle timed quizzes over a potpourri of all six trig functions in radians and degrees. Here are the odd answers to the review packet

1.   IV                                3.   II

5.    ,       ,  

 

7.                                                 9.    

 

11.                   13.               15.        17.   -1             19.   -  1.5

 

21.   c = 5    d =       23.             25.  

 

27.                            29.  

 

31.               33.    

 

35.                                     37.     

. Download MATH IV REVIEW FOR INTRO TO TRIG UNIT TEST 2

Thursday, October 27th - Test

Friday, October 28th  Graphing Activity of Sine and Cosine graphs.

Week of October 17th - 21st

Math 4 -

Monday October 17th - Students will learn how to convert angle measures to decimal degree form and  Degrees, Minutes, Seconds DMS. Students will also learn how to calculate Arc Length. Students took the first of the timed unit circle quizzes over sine , cosine, and tangents of the unit circle angles in degrees.The assignment is a worksheet of problems 17 – 24 (all of the a problems), 55 – 61 odd,  76 – 86 even.

Tuesday, October 18th - Students learned how to calculate linear and angular speed. The assignment was the 1st three problems on the worksheet. Students also took the second unit circle timed quiz over all six trig functions in degrees.

Wednesday, October 19th - Students continued to work with problems that are involved with calculating linear and angular speed. Periods 2, 3, and 6 took the third unit circle quiz over sine, cosine, and tangent of unit circle angles in radians. 7th period will take theirs on Monday.

Thursday, October 20th - Students worked word problems involved with right triangle trig problems and bearing problems. The assignment is the first 7 problems on the work sheet.

Friday, October 21st - Students completed the word problems from yesterday . The assignment is 8 - 15.