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Renouveau
Posts: **49**Registered User Junior Member

I really don't know where to post this, but I figure that since Engineering majors need so much math, you guys might know more about this.

**BACKGROUND INFO:** I am a first year college student. I used to have a pretty good handle on math until high school Geomtery/Algebra II when I started slacking off. I became kind of scared of math and took AP Statistics/AP Computer Science instead for my junior and senior years, instead of Math Analysis(the course my high school offered before calculus, I think it was like a combo of precalc and trig) or AP Calculus like everyone else.

Anyways I need to get back into math again now that I'm in college. I actually did ok on the math placement test (in my opinion for not having touched math in awhile), and I'm eligible to take Trigonometry and Precalculus. It's imperative that I catch up FAST on my math, so I'm going to have to take math over the 6-week winter session.

**SO ESSENTIALLY:** Trig is 3 units, and Precalc is 4 units. 7 units is the max that you can take for the 6 week session. Should I take both at the same time? Or should I just take Precalc, and really focus on it? Or is it REALLY necessary to take trig before precalc? It's best if I'm able to take Calculus in the spring. I do have a 4 week break between Fall and Winter, I could try and self-study a little bit of Trig. What should I do?

**MATH 150 - Trigonometry**

Prerequisite: MATH 71 or 71B or qualifying score on current department placement test AND Math 61 or passing score on current geometry competency test.

Trigonometry functions and inverse trigonometric functions and the graphical representations of these functions; solutions to right and oblique triangles with laws of sines and cosines; vectors; solutions to trigonometric equations; identities; polar coordinates; complex numbers and DeMoivre's Theorem.

**MATH 160 - Precalculus Mathematics**

Prerequisite: MATH 150, or qualifying score on current department placement test.

Prepares students for the calculus sequence. Real-valued functions, including algebraic, trigonometric, exponential, and logarithmic functions. Also includes proofs, inequalities, introductory analytical geometry, series, sequences, and vectors.

Anyways I need to get back into math again now that I'm in college. I actually did ok on the math placement test (in my opinion for not having touched math in awhile), and I'm eligible to take Trigonometry and Precalculus. It's imperative that I catch up FAST on my math, so I'm going to have to take math over the 6-week winter session.

Prerequisite: MATH 71 or 71B or qualifying score on current department placement test AND Math 61 or passing score on current geometry competency test.

Trigonometry functions and inverse trigonometric functions and the graphical representations of these functions; solutions to right and oblique triangles with laws of sines and cosines; vectors; solutions to trigonometric equations; identities; polar coordinates; complex numbers and DeMoivre's Theorem.

Prerequisite: MATH 150, or qualifying score on current department placement test.

Prepares students for the calculus sequence. Real-valued functions, including algebraic, trigonometric, exponential, and logarithmic functions. Also includes proofs, inequalities, introductory analytical geometry, series, sequences, and vectors.

Post edited by Renouveau on

## Replies to: Do I need to take Trigonometry before taking Pre-calculus?

2,862Registered User Senior Member22,762Registered User Senior MemberIt's pretty clear from the course descriptions that you can't take both at the same time and that you have to take Trig (or test out of it) before you can take precalc. If you want to get through precalc, I would suggest self-study of trig between now and shortly before the beginning of your break. You could then try to test out of it and into trig for the winter break.

I generally recommend against learning all of this material over a short period of time as math, for most people, takes some time to sink in.

49Registered User Junior Member2,862Registered User Senior MemberYour qualifying scores do not totally determine your decision. Do YOU FEEL that you are good enough in Trigonometry? You cannot just "skip" Trigonometry. Trig will be all through Calculus I, II & III.

22,762Registered User Senior MemberIf you're going into the sciences, you really need to know it but you could learn it on your own if you are so inclined. There should be some coverage in the precalc course but the precalc course might only review it.

If you did well in AP Computer Science, then you probably have good problem-solving skills which should help in your math courses.

You have a fair amount of time before the winter break. Why not grab a trig book and go through it doing the exercises in the book? Trig does not cover a huge amount of material though the problems can get complex.

49Registered User Junior Member@BCEagle91 Nope I am a Business Admin major. I do have interest in computer science, but more in the client-side development. No I have not taken a trig course before. And Yep that's what I'm thinking. If I can study enough trig to get myself through precalc, while actually taking trig over the winter to really get a solid foundation in it that might be good. I'm just worried like... how deep into trig does precalc cover? I mean if I study say chapter 1-5 out of 10 chapters in Trigonemetry is Chapter 2 in Precalc going to be touching on concepts of Chapter 9 of Trig?

203Registered User Junior MemberPre-calc is basically algebra 2 with trigonometry. Looking at my pre-calc textbook I don't see trig covered until chapters 6, 7, and 8. Furthermore, looking at my trig book, I don't see anything else covered in here that isn't covered in my pre-calc book. So essentially you could learn all of your trig from a pre-calc book (which is what I did).

I wouldn't recommend pre-calc in 6 weeks though.

49Registered User Junior Member22,762Registered User Senior Member> chapter 1-5 out of 10 chapters in Trigonemetry is Chapter 2 in Precalc going to be

> touching on concepts of Chapter 9 of Trig?

I would be very surprised if you could find a trig book that has ten chapters.

I have Trigonometry for College Students, Fifth Edition, Karl J. Smith in front of me. Here are the chapters:

1 Circular Functions

2 Graphs of Trigonometric Functions

3 Identities

4 Trigonometric Equations and Inverse Functions

5 Solving Triangles (including vectors)

6 Complex numbers (the trigonometric form of complex numbers)

7 Polar Curves

8 Conic Sections

I also have Precalculus by Lial, Hornsby and Schneider and it covers trig in three chapters over roughly 300 pages. Conic sections (from Smith) is usually a separate topic in precalculus.

I do not think that a 4-credit precalc course will be able to go into trig in great depth. If your school has the regular precalc course and a different course for science and engineering students, then I think that you have less to worry about. I would suggest starting out by getting a hold of a trig or precalc book and looking through it.

690Registered User MemberA strong background in Trig will make Calc 1-3 much easier. I hadn't taken trig in 15 years and skipped pre-calc and trig in order to get into Calc 1. Most of my struggles came with having to rebuild my trig knowledge. I was caught a bit by surprise at how much Trig is used in Calculus. You might be able to get through Calc 1 with just basic Trig knowledge, but you won't get through Calc 2 without a good Trig foundation.

493Registered User Member1,045- Junior MemberTrig is just trig.

Are you weak in one, the other, or both?

22,762Registered User Senior Member2,047Registered User Senior MemberSince you aren't a STEM major, you probably won't go higher than Calc II, but you will be really happy by that time if you've already gotten polar and parametric equations and conic sections under your belt, not to mention trig identities.

19Registered User New MemberSo I'm sort of in the same boat as you, after developing a strong love for math I recently switched as a sociology major to economics. My math is a little weak I'm in elementary algebra, but I've been getting all A's....I've heard intermediate algebra is the same thing....would you guys suggest taking intermediate algebra, geometry, and trignometry all at the same time for a solid 14 week semester? I need to take pre-calc during the summer, and really want to have a solid foundation of the three subjects so I can take calc 1 in fall and calc 2 in spring then I'll be ready to transfer......what do you guys think, with a solid elementary algebra foundation is the above do able? I'm not trying to take pre-calc without trig, but have to take trig next semester if I want transfer in time.....