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Mathematics
RiktasMath's user avatar
RiktasMath's user avatar
RiktasMath's user avatar
RiktasMath
  • Member for 8 years, 7 months
  • Last seen more than 6 years ago
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6
Determine sinus and cosinus : $2\sin x + 3\cos x = 3$
Sep 30, 2017
6
Rationalize denominator: $\frac{1}{\sqrt[3]{5}+\sqrt[3]{1}+\sqrt[3]{6}}$
Oct 25, 2017
5
Simplify: $\frac{\sqrt{\sqrt[4]{27}+\sqrt{\sqrt{3}-1}}-\sqrt{\sqrt[4]{27}-\sqrt{\sqrt{3}-1}}}{\sqrt{\sqrt[4]{27}-\sqrt{2\sqrt{3}+1}}}$
Oct 31, 2017
4
Prove: $(\frac{1+i\sqrt{7}}{2})^4+(\frac{1-i\sqrt{7}}{2})^4=1$
Dec 18, 2017
4
Smallest box to fit cuboid in.
Apr 25, 2019
4
If $\log_{30}3=a,\log_{30}5=b$ then show what $\log_{30}8$ is
Apr 25, 2018
3
Simple question but can't seem to come to logical proof.
Sep 8, 2017
3
Rationalize denominator: $\frac{9\sqrt{2}}{1+\sqrt{2}-2\sqrt{5}-\sqrt{10}}$
Oct 24, 2017
3
Simplify:$\frac{\sqrt[5]{5}+\sqrt[5]{5^2}+...+\sqrt[5]{5^n}}{\frac{1}{\sqrt[5]{5}}+\frac{1}{\sqrt[5]{5^2}}...+\frac{1}{\sqrt[5]{5^n}}}$
Nov 2, 2017
2
If $\frac {9\sin x-3\cos x}{2\sin x + \cos x}=2$, define $\tan x$ and angle $x$.
Oct 2, 2017