Category: Announcements (Page 1 of 5)

Monday, November 18 to Sunday, November 24

Lessons

21. Trigonometric identities

WeBWorK

Trigonometry – Identities

Exam 3

• Our next text will be on November 20th. Please bring a calculator, as it is a requirement for the test. If you need to borrow a calculator, you can borrow one from the library.
• 15. Equations and applications of exp
  16. Compound interest and half-life
• 17. Trigonometric functions reviewed
• 18. Graphing trigonometric functions
• 19. Inverse trigonometric functions
• 20. Solving trigonometric equations
• 21. Trigonometric identities
• Tip: When in doubt, look up the MAT1375 Final Exam Review. 
• Review for Trigonometric Functions Another good tool is the little review at the end of each chapter in the textbook.
• Assume all WeBWorK sections are possible. But the following should be expected:

Monday, November 11 to Sunday, November 17

Lessons

19. Inverse trigonometric functions

20. Solving trigonometric equations

WeBWorK

• Trigonometry – Inverse Functions

• Trigonometry – Equations

Other

• If you haven’t already, you can still work through this activity on the sine and cosine functions for an extra participation point. If you sign in using your free Desmos account, you should be able to save your work and return to it. Otherwise, you will have to complete the activity in one session.
• Work through this activity on compound interest for an extra participation point.
• If you would like to estimate grades for upcoming assignments and see how your current grades would translate into an overall course grade, you can play with the spreadsheet here Start a new row and enter your grades on the left (unshaded) side; don’t touch the right (shaded) side where the overall grades appear.

Lessons

17. Trigonometric functions reviewed 

18. Graphing trigonometric functions

WeBWorK 

• Trigonometry – Unit Circle

• Trigonometry – Sum Difference and Half Angle Formulas

• Trigonometry – Graphing Amplitude
• Trigonometry – Graphing Period
• Trigonometry – Graphing Phase Shift
• Trigonometry – Graphing Comprehensive

Other

• Last day to withdraw officially from the course: Wednesday, November 6
• Work through Desmos on the sine and cosine functions by Sunday, November 10 for an extra participation point. If you sign in using your free Desmos account, you should be able to save your work and return to it. Otherwise, you will have to complete the activity in one session.