Understand The Math - Invidious

Understand The Math

Free step-by-step math lessons with guided notes to help you truly understand math.

Welcome to Understand The Math, where you'll find clear explanations, worked examples, and free guided notes designed to help you build confidence and succeed in math.

Whether you're studying algebra, trigonometry, precalculus, calculus, linear algebra, or differential equations, you'll find lessons that focus on building real understanding, not just memorizing formulas.

Created by Dr. Cheryl Hile, a former Penn State mathematics professor with more than 25 years of university teaching experience and a Ph.D. in Engineering Science and Applied Mathematics.

📌 Subscribe for new math lessons, worked examples, and free guided notes to help you understand math with confidence.

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43:49

Integration Practice Problems | 12 Step-by-Step Examples

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Shared 1 day ago

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6:21

Integration Using Partial Fractions | Improper Fractions

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Shared 2 days ago

76 views

7:06

Integration Using Partial Fractions | Irreducible Quadratic Factors

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Shared 3 days ago

65 views

11:04

Integration Using Partial Fractions | Repeated Linear Factors

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Shared 4 days ago

44 views

7:58

Integration with Partial Fractions - Distinct Linear Factors

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Shared 5 days ago

74 views

3:58

Partial Fraction Decomposition | Irreducible Quadratic Factors

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Shared 6 days ago

81 views

8:06

Partial Fraction Decomposition | Repeated Linear Factors

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Shared 1 week ago

213 views

6:09

Partial Fraction Decomposition | Distinct Linear Factors

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Shared 1 week ago

175 views

33:07

Integration Using Partial Fractions Made Easy | All 4 Cases with Examples

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Shared 1 week ago

97 views

15:09

Trigonometric Substitution Examples with Completing the Square | Calculus 2

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Shared 1 week ago

268 views

16:23

Trigonometric Substitution Made Easy | Completing the Square

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Shared 1 week ago

127 views

7:51

Trigonometric Substitution | Integrals with √(x² − a²)

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Shared 2 weeks ago

138 views

6:42

Trigonometric Substitution | Integrals with √(x² + a²)

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Shared 2 weeks ago

294 views

8:13

Trigonometric Substitution | Integrals with √(a² − x²)

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Shared 2 weeks ago

301 views

24:01

Trigonometric Substitution Made Easy | All 3 Cases with Examples

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Shared 2 weeks ago

131 views

3:51

Trigonometric Integrals | Products of Tangent and Secant – Secant Power Even

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Shared 3 weeks ago

41 views

4:27

Trigonometric Integrals | Products of Tangent and Secant – Tangent Power Odd

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Shared 3 weeks ago

57 views

6:04

Trigonometric Integrals | Odd Powers of Secant

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Shared 3 weeks ago

59 views

3:31

Trigonometric Integrals | Even Powers of Secant

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Shared 3 weeks ago

38 views

3:35

Trigonometric Integrals | Odd Powers of Tangent

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Shared 3 weeks ago

42 views

5:32

Trigonometric Integrals | Even Powers of Tangent

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Shared 3 weeks ago

79 views

7:57

Trigonometric Integrals | Products of Tangent and Secant Step-by-Step

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Shared 3 weeks ago

37 views

9:30

Trigonometric Integrals | Powers of Secant Step-by-Step

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Shared 4 weeks ago

88 views

9:05

Trigonometric Integrals | Powers of Tangent Step-by-Step

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Shared 4 weeks ago

24 views

4:55

How to Integrate tan(x) and sec(x) | Trigonometric Integrals

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Shared 4 weeks ago

35 views

31:53

Trigonometric Integrals Made Easy | Powers & Products of Tangent and Secant

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Shared 1 month ago

39 views

8:16

Trigonometric Integrals | Products of Sine and Cosine

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Shared 1 month ago

43 views

7:56

Trigonometric Integrals | When the Powers of Sine and Cosine Are Even

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Shared 1 month ago

68 views

2:59

Trigonometric Integrals | When the Power of Cosine Is Odd

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Shared 1 month ago

275 views

4:08

Trigonometric Integrals | When the Power of Sine Is Odd

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Shared 1 month ago

304 views

15:23

Trigonometric Integrals | Powers of Sine and Cosine

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Shared 1 month ago

228 views

24:50

Trigonometric Integrals Made Easy | Powers & Products of Sine and Cosine

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Shared 1 month ago

39 views

5:49

How to Integrate ∫eˣcos(x) dx Using Integration by Parts

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Shared 1 month ago

65 views

5:43

How to Integrate ∫arctan(x) dx Using Integration by Parts

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Shared 1 month ago

50 views

2:39

How to Integrate ∫ln(x) dx Using Integration by Parts

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Shared 1 month ago

59 views

4:15

How to Integrate ∫x²eˣ dx Using Integration by Parts

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Shared 1 month ago

22 views

2:20

How to Integrate ∫x sin(x) dx Using Integration by Parts

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Shared 1 month ago

22 views

4:53

Integration by Parts Formula Explained | ILATE Rule, Derivation & Step-by-Step Process

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Shared 1 month ago

25 views

2:38

How to Integrate ∫xeˣ dx Using Integration by Parts

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Shared 1 month ago

72 views

7:20

Tabular Integration Explained | DI Method for Integration by Parts

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Shared 1 month ago

51 views

22:44

Integration by Parts Examples | 6 Step-by-Step Calculus II Problems

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Shared 1 month ago

29 views

37:01

Integration by Parts Made Easy | Formula, ILATE Rule, Tabular Integration & Examples

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Shared 1 month ago

100 views

1:58

Why Convolution is Needed (Laplace Transforms Explained Clearly)

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Shared 1 month ago

19 views

1:30

The Convolution Integral Explained (Laplace Transforms Step-by-Step)

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Shared 2 months ago

62 views

13:49

Systems of Differential Equations: Complex Eigenvalues (Step-by-Step Example)

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Shared 2 months ago

65 views

3:27

What Is QR Factorization (QR Decomposition)? | Linear Algebra

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Shared 2 months ago

115 views

5:05

Ordinary and Singular Points of a Differential Equation (Regular vs Irregular)

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Shared 2 months ago

91 views

6:45

Dirac Delta Function and ODE (Laplace Transform Step-by-Step Example)

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Shared 2 months ago

62 views

6:42

Second Shifting Theorem (Unit Step Function Laplace Transform Example)

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Shared 2 months ago

173 views

6:31

Unit Step Function and Laplace Transform (Heaviside Function Explained)

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Shared 2 months ago

70 views

4:54

Using Convolution to Solve Differential Equations (Step-by-Step)

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Shared 2 months ago

70 views

8:56

Convolution Examples (Laplace Transforms Step-by-Step Solutions)

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Shared 3 months ago

66 views

13:07

QR Factorization Example (QR Decomposition) | Linear Algebra

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Shared 3 months ago

505 views

1:30

The Convolution Theorem (Laplace Transforms Made Clear)

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Shared 3 months ago

68 views

16:15

QR Factorization Explained with Example | QR Decomposition | Linear Algebra

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Shared 3 months ago

308 views

2:08

Calculus 1 Full Course | Step-by-Step Lessons, Examples & Guided Notes

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Shared 3 months ago

436 views

1:39

Linear Algebra Full Course | Step-by-Step Lessons, Examples & Applications

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Shared 3 months ago

1.5K views

10:30

Systems of Differential Equations: Repeated Eigenvalues (Step-by-Step Example)

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Shared 3 months ago

103 views

11:42

Systems of Differential Equations: Distinct Real Eigenvalues (Step-by-Step Example)

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Shared 3 months ago

98 views

5:45

Solve Systems of Differential Equations Using Eigenvalues (All Cases Explained)

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Shared 3 months ago

114 views