Pre-Calculus

Have pre-calculus questions? Ask a pre-calculus tutor

Connect one-on-one with {0} who will answer your question

Related Pre-Calculus Questions
This problem asks: Find x correct to 2 decimal places. I
This problem asks: Find x correct to 2 decimal places. I have attached a photo. Thanks Scott!… read more
Scott
Master's Degree
17,156 satisfied customers
I need someone to help me with this. I need to compare my
HI, I need someone to help me with this. I need to compare my answers before I turn this in. Thank you. Exam: 250311RR - Trigonometric Functions 1. Find a positive angle less than 360° that's cotermin… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Record your answers and work on the separate answer sheet provided. There
Record your answers and work on the separate answer sheet provided. There are 28 problems. Problems #1–6 are Multiple Choice. Problems #7–17 are Short Answer. (Work not required to be shown) Problems … read more
Ryan
Bachelor's Degree
4,665 satisfied customers
1. Convert 2π/3 radians into degrees. 2. Determine the
1. Convert 2π/3 radians into degrees. 2. Determine the length of a shadow cast by a flagpole that is 15 feet high when the sun has an angle of elevation of 28˚ Round your answer to the nearest foot. 3… read more
akch2002
Master's Degree
3,196 satisfied customers
for Ashok Kumar can you please assist me with this? 1. Solve
for Ashok Kumar can you please assist me with this? 1. Solve the linear system of equations x-3y= -6 A unique solution 6,4 B unique solution 6,-1 C infinitely many solutions t, 8t+7 D no solution 2. S… read more
akch2002
Master's Degree
3,196 satisfied customers
1. Find the complete exact solution of sin x = −√3/2. 2. Solve
1. Find the complete exact solution of sin x = −√3/2. 2. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two decimal places. 3. Solve tan² x + tan x – 1 = 0 for the principal value(s) t… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
1. The cosine function for a specific angle in a triangle is
1. The cosine function for a specific angle in a triangle is defined by the ratio of the triangle's A. adjacent side and opposite angle. B. opposite side and adjacent side. C. adjacent side and hypote… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Solve the following equation using the method of variation
Solve the following equation using the method of variation of parameters 1. y'' - y' - 2y = e^2x 2. y'' + 2y' + y = (e^-x) /x 3. y'' + 4y = tan 2x 4. y'' + 4y = tan^2 2x 5. y'' + 4y = sin^2 2x 6. y'' … read more
akch2002
Master's Degree
3,196 satisfied customers
1- what is the frequency of y=(pie/3 x)? a. pie/3 b. 1/3
1- what is the frequency of y=(pie/3 x)? a. pie/3 b. 1/3 c. 1/6 d. 3 2- how many soltions does the system x=10y y=sin x have? a. 4 b. 10 c. 6 d. 7 3. what is tan the power of -1 root3/3 ? a. pie/4 b. … read more
Trigeoscal
College Math Professor
Master's Degree
960 satisfied customers
1. calculate the anti derivative of x cube dx a. x square
1. calculate the anti derivative of x cube dx a. x square + c b. 3x square + c c. x the power of 4 + c d. x the power of 4/4 + c 2. calculate the anti derivative of x the power of 2/3 dx. a. 2/3x the … read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Show that there are at least two values of x in the interval [0,(π/2)]
Show that there are at least two values of x in the interval [0,(π/2)] <----- that is the interval zero, pie divided by two for which sin(x) + sin(2x) + sin(3x) = 1… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Hi Ryan appriciated if you write the solution for these question (a) Solve
Hi Ryan appriciated if you write the solution for these question (a) Solve the system equations by equalizing coefficients: 4x-3y=11 2x+y=3 (b) Find what value of the constant k the following system o… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Algebra Question: What are the differences among expressions,
Algebra Question: What are the differences among expressions, equations and functions? Provide examples of each. (provide detailed insight and mathematical examples to answer these)… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
"for ryan" 1.find tan 2x if sin x = 0.5(in sec quad0 tan2x=? 2.simplify
"for ryan" 1.find tan 2x if sin x = 0.5(in sec quad0 tan2x=? 2.simplify the given expression by giving the results in terms of one half of the given angle.then use the calculator to verify the result.… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
solve the given trig. equation analytically (using identities
solve the given trig. equation analytically (using identities when necessary for exact values when possible) for values of x for 0 <_ x < 2 pi. 2 cos x +1 = 0… read more
ck_mba
Computer Engineer
Master's Degree
1,397 satisfied customers
I have 5 math problems: 1. Solve for x: a) x^2 =-3x +28 )
I have 5 math problems: 1. Solve for x: a) x^2 =-3x +28 b) 1/3x^2 A+1/2x 1/6=0 2.Solve the blanks a) (4x + ) ( 3x + ) + 12x^2 + 25x +7 b) (4x + ) (3x + ) =12x^2 +39x+9 3. Factor a) 10x^2-30x b)12x^3-1… read more
Emanuel
Bachelor's Degree
578 satisfied customers
I would be extremely grateful if you can provide an answer
I would be extremely grateful if you can provide an answer for the following integration questions. Thank you very much for your help. 1 i) Explain why the graph of the function f(x) = (3x – pie) cos(… read more
Emanuel
Bachelor's Degree
578 satisfied customers
I need to understand how to rearrange & resolve equations that
I need to understand how to rearrange & resolve equations that include sin & cos, but I can't find a clear note of these rules in my course textbooks. Using the following example can you please define… read more
Osbert12
Master's Degree
2,468 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

## JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

## What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

## Meet the Experts:

rajeevanpillai

Master's Degree

480 satisfied customers

B.Sc in Mathematics and M.Sc, M Phil in Statistics

Mr. Gregory White

Master's Degree

167 satisfied customers

M.A., M.S. Education / Educational Administration

mhasan420

Master's Degree

37 satisfied customers

BA Maths, Oxford

JACUSTOMER-yrynbdjl-

Master's Degree

13 satisfied customers

I have taught college Mathematics for the past 10 years.

Dr. Arthur Rubin

Doctoral Degree

12 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

Sandhya_sharma

Master's Degree

1,250 satisfied customers

I hold M.Sc and M.Phil degrees in math and have several years of teaching experience.

Kofi

PhD in Statistics

868 satisfied customers

Masters in Mathematics and Statistics

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less