Exam #4 will be on Thursday 11/30.
For extra credit counting as one perfect quiz grade (10/10) post 1 complete correct solution to a Sample Exam #4 problem, or, 1 complete correct solution to a part of question #10 or #11 (for example #10 a) or #11 c)) from the MAT 1375 Final Exam Review. Both the exam reviews can be found under “Files” on this site. You may upload a clear photo of your work, or type the solution.
Prof. Bonanome
Sample Exam #4 Question #15:
tan^3x-tan(x)=0
Let u=tan
u^3-u=0
u=0 u^2-1=0
tanx=0 tanx^2=1
x=0 tan=+-1=45 and -45
Solutions: 0,45,135,225,315
Problem #3 exam 4
Amplitude=2
Period=2pi
Phase shift= (-pi/4)