# Pre-Calculus Forum

Pre-Calculus Help Forum: Pre-calculus does not involve calculus, but explores topics that will be applied in calculus

1. ### This forum is for PRE-Calculus. READ BEFORE POSTING

• Replies: 25
• Views: 9,581
Oct 1st 2011, 06:08 AM
2. ### Read this before posting in this subforum.

• Replies: 0
• Views: 3,050
Aug 14th 2010, 03:52 PM
1. ### how do i divide 13.5 by 90?

• Replies: 1
• Views: 530
Sep 1st 2012, 02:32 PM

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3. ### Trig Functions Help... I'm not even sure what to do.

• Replies: 2
• Views: 606
Aug 31st 2012, 09:27 PM
4. ### a standard identity a^n - b^n = (a-b)[a^(n-1)+a^(n-2)b+a^(n-3)b^2+...+b^(n-1)]

• Replies: 4
• Views: 1,756
Aug 31st 2012, 06:40 AM
5. ### Using the Pe^rt Formula

• Replies: 1
• Views: 1,034
Aug 30th 2012, 06:24 PM
6. ### Axis rotation formulas, finding them with systems

• Replies: 6
• Views: 760
Aug 30th 2012, 06:10 PM
7. ### Limit problem, not sure where I went wrong

• Replies: 2
• Views: 473
Aug 30th 2012, 11:34 AM
8. ### factoring 16

• Replies: 2
• Views: 526
Aug 30th 2012, 02:16 AM
9. ### Grouping Expressions

• Replies: 2
• Views: 483
Aug 28th 2012, 04:04 PM
10. ### Find the requested function value meeting all of the given conditions??

• Replies: 7
• Views: 2,398
Aug 28th 2012, 03:56 AM
11. ### Domain of Composite Root Function

• Replies: 2
• Views: 393
Aug 27th 2012, 11:00 PM
12. ### Evaluating a Function

• Replies: 2
• Views: 365
Aug 27th 2012, 08:09 PM
13. ### Real numbers x and y

• Replies: 2
• Views: 2,387
Aug 27th 2012, 07:02 PM
14. ### Find the indicated trigonometric function given that...

• Replies: 2
• Views: 1,351
Aug 27th 2012, 04:30 PM
15. ### Investment problem!

• Replies: 2
• Views: 2,979
Aug 26th 2012, 08:16 AM
16. ### Angle between line and plane

• Replies: 2
• Views: 700
Aug 25th 2012, 10:26 AM

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18. ### Vector ( Distane between 2 lines)

• Replies: 2
• Views: 656
Aug 23rd 2012, 02:59 AM
19. ### sec(t) =√2 cot(t) >0. Find all values of t in the interval [0,2)

• Replies: 5
• Views: 1,024
Aug 22nd 2012, 06:45 AM
20. ### Inequality word problem!

• Replies: 4
• Views: 2,257
Aug 21st 2012, 10:34 PM
21. ### Having trouble with a couple vector problems

• Replies: 1
• Views: 405
Aug 21st 2012, 08:05 PM
22. ### A question. Finding the intercepts in -5x^2+20x+2... Having some issues.

• Replies: 3
• Views: 367
Aug 21st 2012, 02:06 PM
23. ### Transformation of the form y=af(k(x-d)+c - very lost. Also help with fractions.

• Replies: 4
• Views: 7,060
Aug 20th 2012, 12:25 PM
24. ### Help: Radian and Degree Measure

• Replies: 3
• Views: 1,794
Aug 18th 2012, 07:59 PM

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