Abhijit

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1,609 reputation

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52 Answers

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18	Solve $\cos^2x-\sin^2x= 1$
12	How to find the value of $\sin{\dfrac{\pi}{14}}+6\sin^2{\dfrac{\pi}{14}}-8\sin^4{\dfrac{\pi}{14}}$
11	Trying to find a function whose derivative is $\cfrac{4x^3}{x^4+1}$ any ideas?
8	Prove $ax^2+bx+c=0$ has no rational roots if $a,b,c$ are odd
5	Simultaneous Equations year 9 please solve

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1,609 Reputation

+20	How can I prove that $xy\leq x^2+y^2$?
+5	Determine number of squares in progressively decreasing size that can be carved out of a rectangle
+25	How to determine the number of 5 consecutive digit blocks in a set of digits?
+10	Find the value of $\alpha $ given $2\sin\theta -\sqrt 5 \cos \theta \equiv - 3\cos (\theta + \alpha )$

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4 Questions

votes activity newest

8	How to prove $\cos\left(\pi\over7\right)-\cos\left({2\pi}\over7\right)+\cos\left({3\pi}\over7\right)=\cos\left({\pi}\over3 \right)$
2	How do you determine if a function is nonelementary antiderivative [duplicate]
1	Determine number of squares in progressively decreasing size that can be carved out of a rectangle
0	Calculating number of draws in a series of team matches

41 Tags

40 trigonometry × 6	8 quadratics
28 algebra-precalculus × 12	7 geometry × 7
24 homework × 8	5 linear-algebra × 3
14 calculus × 6	4 real-analysis × 4
14 derivatives × 3	4 integral × 3

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$Mathematics Stack Exchange$	Mathematics	1,609 rep	114
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