KKendall

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212 reputation

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visits	member for	4 months
	seen	Mar 23 at 5:20
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Studying CS. Into iOS apps at the moment.

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9 Questions

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4	Does $\sin^2 x - \cos^2 x = 1-2\cos^2 x$?
4	Show that $(A \cap B)$ is subset of $A$
3	How is the following function an odd function? $S(x) = \sin x/x$, $x \neq 0$
3	$(p \land q)\implies(p \lor q)$, how to make a truth table with $p$ twice?
2	Trigonometric Identity $\frac{1}{1-\cos t} + \frac{1}{1+\cos t}$

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212 Reputation

+5	Is $A - B = \emptyset$?
+10	Show that $(A \cap B)$ is subset of $A$
+20	Does $\sin^2 x - \cos^2 x = 1-2\cos^2 x$?
+5	Trigonometric Identity $\frac{1}{1-\cos t} + \frac{1}{1+\cos t}$

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0 Answers

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8 Tags

0 discrete-mathematics × 5	0 functions
0 trigonometry × 3	0 homework
0 logic × 2	0 proof-strategy
0 elementary-set-theory × 2	0 quantifiers

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	Stack Overflow	606 rep	618
$Mathematics Stack Exchange$	Mathematics	212 rep	5
	Board & Card Games	128 rep	4
	Ask Different	101 rep	1
	Software Quality Assurance & Testing	101 rep

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