32 Answered Questions for the topic Math Analysis
02/24/21
Find the exact value. sin 𝜽 = -2⎷13/13 where 3𝛑/2 ≤ 𝜽 < 2𝛑 Find tan2𝜽
I am confused and would appreciate some help with work showing please.
02/24/21
Find the exact value of each. cos 𝜽 = -5/13 where 𝛑/2 ≤ 𝜽 < 𝛑 Find tan 2𝜽
I would appreciate any help with this. Preferably, showing the work so I can better understand it.
10/09/19
Trigonometry Problem and Periodic Functions
Tides can be modeled by periodic functions. Suppose high tide at the city dock occurs at 2 A.M at a depth of 38 meters and low tide occurs at 9 A.M at a depth of 18 meters. A) Graph one cycle then...
more
09/12/19
If f is a linear function such that f(x+2) - f(x) = 6, find the value of inverse of f (x+2) - inverse of f(x)
Only clue she gave us was f(x)= mx+b but I don't know how to utilize that information.
Math Analysis
09/20/18
A rectangular garden has a width of x and a perimeter of 100 feet. Find x such that the area of the garden is maximized.
I need help understanding this math problem and how to solve it
02/11/18
Show that the set GL(n, R) of invertible n × n real matrices is open in the space of n × n matrices (metric spaces, Real analysis)
Show that the set GL(n, R) of invertible n × n real matrices is open in the space of n × n matrices, with the metric being the Euclidean metric in Rn^2 when a matrix is identified with a long, n2...
more
01/30/18
Prove that sup(a, b)=sup[a, b]=b and inf(a, b)=inf[a, b]=a. Is completeness relevant?
Denoting, as usual, by (a, b) an ”open interval”, {x : a<x< b} and by [a, b] the corresponding ”closed interval”, {x : a≤x≤b} of real numbers, prove that sup(a, b)=sup[a, b]=b and inf(a,...
more
Math Analysis
07/31/17
Inverse of the Basel Problem
Since the infinite sum of the inverse squares is (pi^2 / 6), is the infinite sum of the squares equal to the inverse of (pi^2 / 6)?
03/06/17
HOW DO YOU USE PROPERTIES OF EXPONENTS AND LOGARITHMS TO REWRITE FUNCTIONS IN EQUIVALENT FORMS AND SOLVE EQUATIONS?
Please I really need help
03/06/17
WHEN LOGARITHMIC FUNCTIONS ARE GRAPHED WHICH TRANSFORMATION WILL RESULT IN A Y INTERCEPT?
Please explain if you can.
IN WHAT DIFFERENT WAYS CAN EXPONENTIAL FUNCTIONS BE IDENTIFIED?
Please and thanks
Math Analysis
12/10/16
Consider points P = (0, a), Q = (c, b) in the plane, with a, b, c all positive.
Consider points P = (0, a), Q = (c, b) in the plane, with a, b, c all positive. Find a point R = (x, 0) so that the distance P R+QR is minimal. Justify that your answer is indeed a minimum.
09/28/16
Three marbles are drawn randomly WITH REPLACEMENT
Three marbles are drawn randomly WITH REPLACEMENT from a box with 5 blue and 7green marbles.(a) What is the probability that all the marbles drawn are green?(b) What is the probability that 2 of...
more
Definite integral
Find the definite integral of the function cosx at points from a to b by definition.
03/25/16
how can is happen that three different animals could be claimed largest?
Describe how it could happen that three different animals could each be claimed -rightfully- to be the largest of the three. Discuss the implications of this kind of situation for teaching students...
more
03/24/16
how many dump truck loads?
A construction company has dump trucks that hold 10 cubic yards. If the company's workers dig a hole that os 8 feet deep, 20 feet wide, and 30 feet long, then how many dump truck loads will they...
more
Math Analysis
06/10/15
fn(x)=1/(x+1/(2n)) and fn(x)=1/(x+1/(n^2)).
Q1 prove piecewise convergent on (0,infinity)
Q2 prove uniform convergent on [1,infinity)
Please help with these two equations. Much Thanks, it's preparation for final exam
Need help solving the following equations on the interval (0,2pi)?
I'm having a lot of trouble trying to solve the equations algebraically on the interval (0,2pi). Any help is greatly appreciated!
1) tanx= 0
2) 4sin^2x-1=0
Math Analysis Law Of Sines
03/16/15
Need help finding the missing angles and sides for a triangle?
I'm having trouble finding the missing sides and angles for the triangle. I know you have to use law of sines to find them, but I'm having trouble. Any help is greatly appreciated!
A= 42°, C=...
more
03/01/15
Need help proving trig identities?
I'm having trouble proving these trig identities. Help is greatly appreciated. Thanks in advance!
1) 1- sinx/cosx = cosx/ 1+sinx
2) sin^2x = 1- cos^2x
3) sin2x/2sinx = cosx
4) cosx(1+...
more
Math Analysis Sum And Difference Identity
02/28/15
Need help with the sum/difference formula?
Im having trouble using the sum/difference formula to simplify the equations below. Help is greatly appreciated
1) cos (π + θ)
2) tan (π/6 + π)
3) sin (π/4 - π/2)
π = "pi"
02/12/15
Need help proving trig identities?
I'm having trouble trying to prove these trig identities. Help is greatly appreciated! Thanks in advance!
1) cot^2θ +1/sec^2θ = cot^2θ
2) 1+cosx/sinx = sinx/1 - cosx
3) tanθ + cotθ =...
more
Math Analysis
12/15/14
Need help solving these problems?
I need some help solving these problems. Thanks in advance!
Let f(x) = 4x-9/ 2x^2 + 1 find:
1) f(-2)
2) f(x+3)
3) -f(x)
4) f(-x)
Math Analysis
12/15/14
Suppose a baseball is tossed up...
Suppose a baseball is tossed up and it's height as a function of time is given by the formula: h= -16t^2 + 64t + 10 where "h" is the height of the baseball measured in feet and "t" is time measured...
more
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.