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Valentin

http://weary-watcher.blogspot.co.uk/

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18
trigonometry with alternative parametrizations of the circle
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14
Evaluate: $\int{\frac{x^{5}-x}{x^{8}+1}}\:\mathrm dx.$
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10
Composition of a harmonic function with a holomorphic function is still harmonic
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10
Derivative of cross-product of two vectors
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10
Different ways of computing $\sqrt{1+\sqrt{1+\sqrt{1+\cdots}}}$
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8
Equilateral triangle geometric problem
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7
List of interesting integrals for early calculus students
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7
Difference between calculus and analysis
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7
How to pass aws_elastic_beanstalk_environment settings to a Terraform module
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6
How does trigonometric substitution work?
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6
Prove that $\frac{{a}^{2}}{b-1}+\frac{{b}^{2}}{a-1}\geq8$
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6
What is $dx$ in integration?
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6
Why is $\pi$ = 3.14... instead of 6.28...?
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6
Prove: $\binom{n}{0}F_0+\binom{n}{1}F_1+\binom{n}{2}F_2+\cdots+\binom{n}{n}F_n=F_{2n}$
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6
Residue theorem
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5
What is wrong with my solution? $\int \cos^2 x \tan^3x dx$
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5
Is there a general way to solve transcendental equations?
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5
Surface Element in Spherical Coordinates
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5
Complex number: calculate $(1 + i)^n$.
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5
Inverse Laplace transform computation
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5
Evaluate $\int\frac{\cos x}{\sin x + \cos x}\,\text{d}x$.
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5
Prove the following equality: $\sum_{k=0}^n\binom {n-k }{k} = F_n$
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5
How to make sure a proof is correct
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