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17h
comment How to calculate the Minimum of a set of Complex numbers?
math.stackexchange.com/questions/1116022/…
1d
revised How can you find the cubed roots of $i$?
added 167 characters in body
1d
comment Is integration of $x\operatorname{cosec}(x)$ defined?
Try Integrating by parts, $$\int x\cdot\csc x\ dx=x\int\csc x\ dx-\int\left[\dfrac{dx}{dx}\int\csc x\ dx\right]dx=\cdots$$
1d
answered How to determine congruence manually
1d
answered How to manually determine big number congruences
1d
comment A proof by induction and trigonometry
@addde, See mathworld.wolfram.com/WernerFormulas.html and mathworld.wolfram.com/ProsthaphaeresisFormulas.html
Jul
2
comment How do i solve this equation ${\mathbb{R}}$: $3 \sin^3x+2 \cos^3x=2 \sin x+\cos x$?
@MichaelBurr, How about this?
Jul
2
comment Mathematical induction problem. Let $S_{n}=\left (3+\sqrt{5}\right)^{n}+\left(3-\sqrt{5}\right)^{n}$
Related : math.stackexchange.com/questions/936479/…
Jul
2
answered Fermat's Theorem involving GP
Jul
2
revised How do I solve this trigonometric equation?
added 286 characters in body
Jul
2
awarded  modular-arithmetic
Jul
1
answered solve $|x-6|>|x^2-5x+9|$
Jul
1
comment Parametric to implicit form of a curve
@NicolásSiplis, Please find the alternative method
Jul
1
revised Parametric to implicit form of a curve
added 188 characters in body
Jul
1
revised Parametric to implicit form of a curve
added 44 characters in body
Jul
1
comment Parametric to implicit form of a curve
@NicolásSiplis, It's even simpler! $t=x-1$
Jul
1
answered Parametric to implicit form of a curve
Jul
1
revised How do I solve this trigonometric equation?
added 1 character in body
Jul
1
answered How do I solve this trigonometric equation?
Jul
1
answered A proof by induction and trigonometry