Crystal Clear Maths

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Providing FREE resources to help you study well and to help you enjoy and master mathematics.

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t-Formulae ~ 03 ~ Used to Evaluate Certain Integrals

t-Formulae ~ 03 ~ Used to Evaluate Certain Integrals

Crystal Clear Maths

4.6K views·10 years ago

t-Formulae ~ 02 ~ Used to Solve Trigonometric Equations

t-Formulae ~ 02 ~ Used to Solve Trigonometric Equations

Crystal Clear Maths

3.8K views·10 years ago

t-Formulae ~ 01 ~ Three Ways to Derive Them

t-Formulae ~ 01 ~ Three Ways to Derive Them

Crystal Clear Maths

4.9K views·10 years ago

Jim Coroneos' 100 Integrals ~ 032 ~ ∫1(1 + cos²x).dx

Jim Coroneos' 100 Integrals ~ 032 ~ ∫1(1 + cos²x).dx

Crystal Clear Maths

1.8K views·10 years ago

Jim Coroneos' 100 Integrals ~ 031 ~ ∫sinx(5 + 3cosx).dx

Jim Coroneos' 100 Integrals ~ 031 ~ ∫sinx(5 + 3cosx).dx

Crystal Clear Maths

1.3K views·10 years ago

Jim Coroneos' 100 Integrals ~ 030 ~ ∫1(3 + 5cosx).dx

Jim Coroneos' 100 Integrals ~ 030 ~ ∫1(3 + 5cosx).dx

Crystal Clear Maths

3.7K views·10 years ago

Jim Coroneos' 100 Integrals ~ 029 ~ ∫1(5 + 3cosx).dx

Jim Coroneos' 100 Integrals ~ 029 ~ ∫1(5 + 3cosx).dx

Crystal Clear Maths

11.0K views·10 years ago

Jim Coroneos' 100 Integrals ~ 028 ~ ∫tan³x.dx

Jim Coroneos' 100 Integrals ~ 028 ~ ∫tan³x.dx

Crystal Clear Maths

1.2K views·10 years ago

Jim Coroneos' 100 Integrals ~ 027 ~ ∫1(1+x²)².dx

Jim Coroneos' 100 Integrals ~ 027 ~ ∫1(1+x²)².dx

Crystal Clear Maths

10.7K views·10 years ago

How to Calculate a Cube Root Using the Division Method

How to Calculate a Cube Root Using the Division Method

Crystal Clear Maths

131.3K views·10 years ago

Jim Coroneos' 100 Integrals ~ 026 ~ ∫1[x²(1+x²)].dx

Jim Coroneos' 100 Integrals ~ 026 ~ ∫1[x²(1+x²)].dx

Crystal Clear Maths

656 views·10 years ago

Subtraction-fest 13 ~ Subtraction Terminology Demystified (Explained)

Subtraction-fest 13 ~ Subtraction Terminology Demystified (Explained)

Crystal Clear Maths

21.5K views·10 years ago

Subtraction-fest 12 ~ Checking Your Subtractions By Casting Out Nines

Subtraction-fest 12 ~ Checking Your Subtractions By Casting Out Nines

Crystal Clear Maths

9.2K views·10 years ago

Subtraction-fest 11 ~ Checking Your Subtractions By Adding

Subtraction-fest 11 ~ Checking Your Subtractions By Adding

Crystal Clear Maths

3.0K views·10 years ago

Subtraction-fest 10 ~ Mental Subtraction By Adding Differences

Subtraction-fest 10 ~ Mental Subtraction By Adding Differences

Crystal Clear Maths

583 views·10 years ago

Subtraction-fest 09 ~ Mental Subtraction By Elevating Both Numbers

Subtraction-fest 09 ~ Mental Subtraction By Elevating Both Numbers

Crystal Clear Maths

459 views·10 years ago

Subtraction-fest 08 ~ Mental Subtraction By Counting

Subtraction-fest 08 ~ Mental Subtraction By Counting

Crystal Clear Maths

573 views·10 years ago

Subtraction-fest 07 ~ Never Subtract Numbers Larger Than Ten!

Subtraction-fest 07 ~ Never Subtract Numbers Larger Than Ten!

Crystal Clear Maths

829 views·10 years ago

Subtraction-fest 06 ~ Floating Digit Variation (Using Negative Markers)

Subtraction-fest 06 ~ Floating Digit Variation (Using Negative Markers)

Crystal Clear Maths

332 views·10 years ago

Subtraction-fest 05 ~ Floating Digit Variation (Subtracting From Powers of Ten)

Subtraction-fest 05 ~ Floating Digit Variation (Subtracting From Powers of Ten)

Crystal Clear Maths

375 views·10 years ago

Subtraction-fest 04 ~ Floating Digit Variation Left to Right

Subtraction-fest 04 ~ Floating Digit Variation Left to Right

Crystal Clear Maths

818 views·10 years ago

Subtraction-fest 03 ~ Floating Digit Method (Change all Subtractions to Additions!)

Subtraction-fest 03 ~ Floating Digit Method (Change all Subtractions to Additions!)

Crystal Clear Maths

512 views·10 years ago

Subtraction-fest 02 ~ Carry Method (Easy)

Subtraction-fest 02 ~ Carry Method (Easy)

Crystal Clear Maths

7.6K views·10 years ago

Subtraction-fest 01 ~ Borrow Method (Common Today)

Subtraction-fest 01 ~ Borrow Method (Common Today)

Crystal Clear Maths

1.1K views·10 years ago

Jim Coroneos' 100 Integrals ~ 005 ~ ∫sinx.sec³x.dx (Three Methods)

Jim Coroneos' 100 Integrals ~ 005 ~ ∫sinx.sec³x.dx (Three Methods)

Crystal Clear Maths

570 views·10 years ago

How to Subtract (Large) Numbers Easily (Some More Methods)

How to Subtract (Large) Numbers Easily (Some More Methods)

Crystal Clear Maths

23.4K views·10 years ago

Jim Coroneos' 100 Integrals ~ 025 ~ ∫1[x²(1-x)].dx

Jim Coroneos' 100 Integrals ~ 025 ~ ∫1[x²(1-x)].dx

Crystal Clear Maths

507 views·10 years ago

$Jim Coroneos' 100 Integrals ~ 024 ~ ∫{sec(3x)}^4.dx$ 5:09

Jim Coroneos' 100 Integrals ~ 024 ~ ∫{sec(3x)}^4.dx

Crystal Clear Maths

422 views·10 years ago

Jim Coroneos' 100 Integrals ~ 023 ~ ∫1[x(lnx)³].dx

Jim Coroneos' 100 Integrals ~ 023 ~ ∫1[x(lnx)³].dx

Crystal Clear Maths

5.9K views·10 years ago

Jim Coroneos' 100 Integrals ~ 022 ~ ∫√[(x+1)(x-1)].dx

Jim Coroneos' 100 Integrals ~ 022 ~ ∫√[(x+1)(x-1)].dx

Crystal Clear Maths

556 views·10 years ago

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