Tek at 09:05, 29 January 2009

Tek — Thu, 29 Jan 2009 09:05:13 GMT

←Older revision		Revision as of 09:05, 29 January 2009
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	When you cancel <math>\tan x</math> on both sides of the equation you might lose those solutions that satisfy <math>\tan x=0</math>. The equation to the right might therefore, potentially, have a reduced set of solutions. You should consequently use the <math>\Leftarrow</math> arrow.		When you cancel <math>\tan x</math> on both sides of the equation you might lose those solutions that satisfy <math>\tan x=0</math>. The equation to the right might therefore, potentially, have a reduced set of solutions. You should consequently use the <math>\Leftarrow</math> arrow.
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		+	NB. It doesn't matter that it later turns out that both equations do in fact have the same set of solutions. It is what you know at the time that determines what kind of arrow you use.

Tek: New page: When you cancel $\tan x$ on both sides of the equation you might lose those solutions that satisfy $\tan x=0$ . The equation to the right might therefore, potentially,...

Tek — Thu, 29 Jan 2009 08:35:22 GMT

New page: When you cancel <math>\tan x</math> on both sides of the equation you might lose those solutions that satisfy <math>\tan x=0</math>. The equation to the right might therefore, potentially,...

New page

When you cancel <math>\tan x</math> on both sides of the equation you might lose those solutions that satisfy <math>\tan x=0</math>. The equation to the right might therefore, potentially, have a reduced set of solutions. You should consequently use the <math>\Leftarrow</math> arrow.

Solution 5.2:1a - Revision history

Tek at 09:05, 29 January 2009

Tek: New page: When you cancel \tan x on both sides of the equation you might lose those solutions that satisfy \tan x=0. The equation to the right might therefore, potentially,...

Tek: New page: When you cancel $\tan x$ on both sides of the equation you might lose those solutions that satisfy $\tan x=0$ . The equation to the right might therefore, potentially,...