GeNeRaL SolUtiOns for TriG/inVerSe TriG... (1 Viewer)

[+GriM ReApeR+]

...is there any easy way to remember them???Are they that important at all? cos I never see them in exams...
I have a maths 3U assessment on Monday and I can't remember the general solutions...

 

[Estel]

They are very important:
-occasionally in examinations
-handy for graphing.
Edit: also handy for some types of equations.

Remembering them?
Remember your quadrants.
You should still probably rote learn them anyway- they're three very simple formulae.

 

[kimmeh]

inverse trig doesnt have general solutions

Originally posted by +GriM ReApeR+
Are they that important at all? cos I never see them in exams...

well..duh... they wouldnt teach you something that wasnt important and assessable

i remeber these for general solutions:
sin x = sin a
x = a + 2kpi and (pi - a) +2kpi
cos x = cox a
x = +/- (a) + 2kpi
tan x = tan a
x = a + kpi