Pre-Calculus Lesson 6 .io
Chapter 5 Test – Solutions Form #1
1) cos(x) + sin(x)tan(x) = sec(x)
cos(x) + sin(x)[pic] =
[pic]+ [pic] =
[pic]=
[pic]=
sec(x) [4 points]
2) csc(2x) – cot(2x) = tan(x)
[pic]=
[pic]=
[pic]=
[pic]=
[pic]=
tan(x) [5 points]
(3) [pic] =
[pic] =
[pic] =
[pic] [4 points]
(4) [pic]
[pic]=
[pic]=
[pic] [3 points]
(5) sin [pic]= sin[pic]
sin[pic]cos[pic]– cos[pic]sin[pic] =
[pic][pic]–[pic][pic] =
[pic] [4 points]
(6) cos[pic]= cos[pic]=
cos[pic]cos[pic]– sin[pic]sin[pic] =
[pic][pic] – [pic][pic] =
[pic] [4 points]
7) 2sin(5x) cos(3x) =
sin(8x) + sin(2x) [4 points]
(8) cos(7x) + cos(3x) =
2cos[pic]cos[pic]=
2cos(5x) cos(2x) [4 points]
(9) Given: cos x = [pic] and [pic]
cos[pic] = [pic]
= [pic]
= [pic]
= [pic] or [pic] [4 points]
(10) Given: sin x = [pic] and [pic]
sin[pic] = [pic]
= [pic]
= [pic]
= [pic]
= [pic] [4 points]
(11) 2sinx cos x + cos x = 0
cos x(2 sin x + 1) = 0
cos x = 0 or 2 sin x + 1 = 0
x = [pic] or sin x = –[pic]
x = [pic] x = [pic]
where k is any integer [6 points]
(12) Solve on [0, 2π): sin(x)tan[pic]= [pic]
[pic]= [pic]
1 – cos x = [pic]
cos x = [pic]
x = [pic] [4 points]
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related searches
- pre k lesson plan
- printable pre k lesson plans
- pre k lesson plan pdf
- free pre kindergarten lesson plans
- free pre k lesson plans
- pre k lesson plan ideas
- pre k lesson plan template
- pre calculus equations sheet
- pre calculus for beginners
- pre calculus 12 workbook pdf
- pre calculus online textbook
- pre calculus textbook