Mathematics
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diya
  • Member for 8 years, 4 months
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View all questions and answers
All Questions Answers
Score Newest
question
11
Find the maximum number of rational points on the circle with center $(0,\sqrt3)$
Jan 10, 2016
question
10
$\sec\theta+\tan\theta=p$ and $\sec\theta\tan\theta=q$. Eliminate $\theta$ to form a equation between $p$ and $q$.
Dec 24, 2015
answer
9
Solve this trigonometric equation $ \sin2x-\sqrt3\cos2x=2$
Aug 9, 2015
question
9
$\frac{1}{\sin 8^\circ}+\frac{1}{\sin 16^\circ}+....+\frac{1}{\sin 4096^\circ}+\frac{1}{\sin 8192^\circ}=\frac{1}{\sin \alpha}$,find $\alpha$
Dec 28, 2015
question
8
Prove that $\cosh^{-1}(1+x)=\sqrt{2x}(1-\frac{1}{12}x+\frac{3}{160}x^2-\frac{5}{896}x^3+....)$
Dec 23, 2015
question
6
Prove that the locus of the poles of tangents to the parabola $y^2=4ax$ with respect to the circle $x^2+y^2-2ax=0$ is the circle $x^2+y^2-ax=0$.
Aug 28, 2015
question
6
Find the value of $\sin(\frac{1}{4}\arcsin\frac{\sqrt{63}}{8})$
Dec 17, 2015
question
6
$\lim_{x\to 0}\frac{\sin 3x+A\sin 2x+B\sin x}{x^5}$ without series expansion or L Hospital rule
Dec 18, 2015
question
6
$\displaystyle\int_{0}^{\infty}\left[ne^{-x}\right]dx=\log\frac{n^{n-1}}{(n-1)!}$
Aug 17, 2015
question
5
Find the range of $k$ for which the inequality $k\cos^2x-k\cos x+1\geq0 ,\forall x\in(-\infty,\infty)$ holds.
Jan 6, 2016

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