Calculus and Beyond Homework Help Forum

Free calculus and beyond homework help via qualified mentors. Math courses from calculus on-wards homework. Please use the template when requesting help and show your work.

Threads

Is f constant if limf(z) exists and is nonzero as z tends to z0?

  • AcC
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Complex integration of real-valued trig function

  • brandones
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1

Parallel Vectors: Solving for a

  • MozAngeles
  • · Replies 3 ·
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3

How to simplify cos^2(kx) using trig identities?

  • Benabruzzo
  • · Replies 7 ·
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7

Calculating the Area of a Region Bounded by a Cardioid and Circle

  • MozAngeles
  • · Replies 3 ·
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3

Simple Inverse trigonometry question

  • nehcrow
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3
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2

Solving the Chain Rule: A Visual Guide

  • QuarkCharmer
  • · Replies 7 ·
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7

Calculating the Rate of Water Height Increase in a Filling Swimming Pool

  • notsosmartman
  • · Replies 5 ·
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5

Quick help with line integrals

  • I dun get it
  • · Replies 1 ·
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1

Desperate solve 3rd order differentail equation

  • Hugh_Struct
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2

Vector Calculations | Find ⎮v-2w⎮

  • MozAngeles
  • · Replies 1 ·
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1

Need some assistance with a few calculus questions

  • russjai
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3

Tangent plane to a sphere [easy calc 3 question]

  • estro
  • · Replies 8 ·
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8

Evaluating Surface Integral with Divergence Theorem

  • jcertel
  • · Replies 2 ·
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2

Finding Residue using Cauchy's Integral & Residue Thms

  • brandones
  • · Replies 2 ·
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2

Probability of a team wining a best of 3 game

  • roflmao33
  • · Replies 9 ·
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9

Calculating the Length of a Curve with Calculus

  • MozAngeles
  • · Replies 1 ·
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1
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2
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1

Hydrostatic force on a semicircular wall

  • Ryker
  • · Replies 4 ·
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4

Rate of change from one point towards another

  • Punkyc7
  • · Replies 6 ·
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6

EigenVectors system of differentials

  • dp182
  • · Replies 1 ·
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1
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2

How to be sure that a series isn't a fourier series of a derivable function

  • Telemachus
  • · Replies 6 ·
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6

Exponential/logarithmic equation

  • Chuckster
  • · Replies 13 ·
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13

Variation of parameters ODE what am i doing wrong?

  • bmxicle
  • · Replies 2 ·
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2

Solve Velocity Function: Distance in 0-5 Interval

  • azn1x6flame
  • · Replies 1 ·
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1

How Do You Solve the Integral of e^(-x^2+2x) from 1 to Infinity?

  • imana41
  • · Replies 2 ·
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2

Small problem understanding application of chain rule

  • K29
  • · Replies 1 ·
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1

Integrating Factor, how do you get this?

  • flyingpig
  • · Replies 6 ·
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6

Can the Length of a Curve be Simplified Using Trigonometric Identities?

  • MozAngeles
  • · Replies 1 ·
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1
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4

Find the Area in polar coordinates

  • MozAngeles
  • · Replies 1 ·
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1

Can Two Points Determine a Linear Transformation Matrix?

  • LovePhys
  • · Replies 1 ·
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1

Modeling Using Differential Equations

  • olicoh
  • · Replies 3 ·
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3

What's the limit of this function?

  • lillybeans
  • · Replies 4 ·
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4

Identity Proofs of Inverse Trig Functions

  • MHrtz
  • · Replies 11 ·
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11

Convergence of Sum 1/n(n+1) * (sin(x))^n

  • stukbv
  • · Replies 1 ·
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1

True or false; differentiability

  • stukbv
  • · Replies 17 ·
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17

Differentiating Trig Functions again

  • QuarkCharmer
  • · Replies 3 ·
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3

Prove: All Derivatives of f at 0 = 0 if Lim f(x)/x^n = 0 as x --> 0

  • stukbv
  • · Replies 5 ·
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5
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7

Proof: How do we use Ito's formula

  • squenshl
  • · Replies 6 ·
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6

Proving Continuity in Functions: A Comparison of Two Statements

  • stukbv
  • · Replies 15 ·
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15

Proving f'''(x) = 0 using Taylor's Theorem

  • stukbv
  • · Replies 14 ·
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14

Proof of limsup(anbn)<=limsup(an)limsup(bn) and Example

  • stukbv
  • · Replies 3 ·
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3

Birational but non-isomorphic projective/affine spaces

  • Mathmos6
  • · Replies 14 ·
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14

Hard differential equation problem

  • whatisreality
  • · Replies 15 ·
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15
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16

How do I find the length of a curve using calculus?

  • MozAngeles
  • · Replies 5 ·
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5

Proving the Trig Identity: (d/dx)(tan(x)/sec^2(x)) = cos(2x) | Homework Help

  • QuarkCharmer
  • · Replies 4 ·
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4

Solving ODE Step function with Laplace

  • xVladx
  • · Replies 14 ·
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14

Understanding Twice Differentiable Functions with f''(x) ≥ 0

  • stukbv
  • · Replies 7 ·
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7

Derivative of Trig Function: y = u(cos(u) + b cot(u)) | No Chain Rule

  • QuarkCharmer
  • · Replies 4 ·
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4

Change in rate of a man's shadow length

  • Glissando
  • · Replies 3 ·
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3

How to Find Power Series Solutions of Chebyshev's Equation?

  • Ted123
  • · Replies 2 ·
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2

What is the related rates problem for a ladder leaning against a wall?

  • crybllrd
  • · Replies 2 ·
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2

How can I solve for the complex number z in sin(z) = i?

  • Lavabug
  • · Replies 18 ·
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18

Equation of Line: 3x + 2y + 1 = 0 | Coordinates of Third Point On Line

  • lolimcool
  • · Replies 11 ·
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11

Sum of two uniforms (dependent)

  • steveholy
  • · Replies 1 ·
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1

System of ODEs independent solutions

  • bmxicle
  • · Replies 4 ·
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4

Proving Limit of Bilinear Function to 0

  • yifli
  • · Replies 3 ·
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3

Solving Sum with C(m,k) - (1/2) * C(m, m/2)

  • neginf
  • · Replies 1 ·
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1

Finding general solution of non-linear, homogeneous ODE

  • ohspyro89
  • · Replies 15 ·
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15

Finding general solution of linear ODE inhomogeneous

  • ohspyro89
  • · Replies 7 ·
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7
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3

Taylor Series for Cosine and Accuracy of Calculating Cosine 2

  • stukbv
  • · Replies 5 ·
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5
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2

Group with exactly one element of order 2.

  • Kreizhn
  • · Replies 8 ·
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8

What Method Solves the ODE x^3y'+4x^2y=1/x?

  • pat666
  • · Replies 23 ·
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23

Using substitution to combine integrals

  • sara_87
  • · Replies 4 ·
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4

Fourier transform of the sawtooth function

  • jashua
  • · Replies 4 ·
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4

Shortest Distance between 2 skew lines (vectors)

  • thomas49th
  • · Replies 8 ·
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8

Conceptual question about internal energy

  • Telemachus
  • · Replies 2 ·
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2

Find the Fourier Series for f(x)=x^2 evaluate f(0) and show that the summation

  • Yamahonda450
  • · Replies 16 ·
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16

Rewrite a Differential Equation

  • 619313
  • · Replies 1 ·
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1

Series representation of a function

  • iFargle
  • · Replies 10 ·
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10

Second-order differential equations (electrical circuit)

  • EngStudentNcl
  • · Replies 3 ·
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3

How Does U-Substitution Using Tan(x/2) Simplify Trigonometric Integrals?

  • MrOranges
  • · Replies 5 ·
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5

How Do You Calculate the Minimum Cost of Constructing a Power Line?

  • Glissando
  • · Replies 1 ·
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1

Is there any other way to solve it?

  • vilhelm
  • · Replies 3 ·
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3

Find the eigenvalues of cos(x) -sin(x)

  • stukbv
  • · Replies 3 ·
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3
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2

Derivation of the area of a sphere formula.

  • mprm86
  • · Replies 13 ·
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13

Centroid of a Hemisphere in Spherical Coordinates

  • whereisnomar
  • · Replies 2 ·
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2

Help with Math Proof: Bounded Sequence (xn), (yn) & Limsup (xn)

  • SR2
  • · Replies 1 ·
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1

Integral Problem: Solve $\int\sqrt{\frac{1+t^{2}}{1-t^{2}}}\,dt$

  • footmath
  • · Replies 8 ·
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8

Triple Integral moment of inertia

  • Punkyc7
  • · Replies 1 ·
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1

Integrating Partial Derivatives

  • rudders93
  • · Replies 1 ·
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1

Shortest path on a conical surface (Variational Calculus)

  • DethLark
  • · Replies 2 ·
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2

Placing 8 rooks onto a 8x8 chess board so no two share same row or column

  • nowimpsbball
  • · Replies 8 ·
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8

Solve Equation with Green's Function: 3D

  • kristal kale
  • · Replies 1 ·
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1
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2

Manipulating hyperbolic functions

  • pokgai
  • · Replies 1 ·
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1

Linear Algebra: quick little question about sums of subspaces

  • tylerc1991
  • · Replies 6 ·
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6

What does the following subring of the complex numbers look like

  • Metric_Space
  • · Replies 34 ·
2
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34

Does c^a=d^a and c^b=d^b imply c=d in a domain?

  • Metric_Space
  • · Replies 8 ·
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8

Applying Divergence Theorem to Stokes' Theorem

  • schaefera
  • · Replies 1 ·
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1

Temperature and Harmonic Functions

  • jgens
  • · Replies 3 ·
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3