mathguy80

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30 Questions

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10	Prove that minimum of $\lambda \sin \theta + (1 - \lambda) \cos \theta \le -\dfrac{1}{\sqrt 2}$
8	Summation of complex numbers
7	Trigonometric equality: $\frac{1 + \sin A - \cos A}{1 + \sin A + \cos A} = \tan \frac{A}{2}$
4	Why are horizontal transformations of functions reversed?
4	Complex number to polar form

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526 Reputation

+5	Prove that minimum of $\lambda \sin \theta + (1 - \lambda) \cos \theta \le -\dfrac{1}{\sqrt 2}$
+5	Help with understanding definition of Definite Integral
+5	Find common arrival time, given a system of equations
+5	Determine limit of \|a+b\|

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6 Answers

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3	Prove that minimum of $\lambda \sin \theta + (1 - \lambda) \cos \theta \le -\dfrac{1}{\sqrt 2}$
1	Show that locus is straight line
1	Solving graph of trigonometric function and rational function
0	Simple algebra text question, is the equation correct?
0	Bisectors of angles made by intersection of vectors

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11 Tags

5 homework × 34	0 elementary-set-theory × 2
5 algebra-precalculus × 33	0 combinatorics
3 trigonometry × 6	0 probability
0 complex-numbers × 6	0 calculus
0 linear-algebra × 4	0 geometry

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3 Accounts

$Mathematics Stack Exchange$	Mathematics	526 rep	210
	Stack Overflow	134 rep	5
	Server Fault	101 rep	1

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