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  • 34 votes cast
Aug
23
comment Should cosecant be defined as $\csc \theta = \frac{1}{\sin \theta}$, specifying the constraint: $\sin \theta \neq 0$?
Thanks for this. :)
Aug
23
accepted Should cosecant be defined as $\csc \theta = \frac{1}{\sin \theta}$, specifying the constraint: $\sin \theta \neq 0$?
Aug
23
asked Should cosecant be defined as $\csc \theta = \frac{1}{\sin \theta}$, specifying the constraint: $\sin \theta \neq 0$?
Oct
11
comment Why are these logical statements not deemed to be equivalent?
@ajotatxe Thanks for the comment. I'm inclined to agree, but I'd like some more feedback as the answer below has left me uncertain.
Oct
11
comment Why are these logical statements not deemed to be equivalent?
Sorry for the delayed response, and thanks for getting back to me. The book is Core Maths for Advanced Level, which is basically covering the core sections of the UK maths curriculum that 16-18 year olds would study, so it's by no means a book on pure logic.
Oct
11
comment Why are these logical statements not deemed to be equivalent?
I initially thought this, but it's only asking whether or not the point is on the line. It's not asking whether the equation the point was generated by is the same line.
Oct
11
awarded  Student
Oct
11
asked Why are these logical statements not deemed to be equivalent?
Sep
25
awarded  Commentator
Sep
25
accepted Without solving the equation, determine the nature of its roots: $x^2 + ax + a^2 = 0$
Sep
25
comment Without solving the equation, determine the nature of its roots: $x^2 + ax + a^2 = 0$
@MickG Contacting the authors is a good idea actually. I hadn't considered that. There is no qualifier ruling that a is not equal to zero, so it's a definite problem. This book is 15 years old, but I've never been able to find any published errata for it.
Sep
25
comment Without solving the equation, determine the nature of its roots: $x^2 + ax + a^2 = 0$
Thanks for the confirmation.
Sep
25
comment Without solving the equation, determine the nature of its roots: $x^2 + ax + a^2 = 0$
@taninamdar Thank you.
Sep
25
asked Without solving the equation, determine the nature of its roots: $x^2 + ax + a^2 = 0$
Feb
16
comment Active learning vs Passive learning in Math
That actually makes sense, thanks.
Feb
16
comment Active learning vs Passive learning in Math
Would you consider 'deliberate learning' to be the same as 'active learning'?
Nov
9
comment Logic - Translate a Math Statement
Oh, now it makes sense. Thanks a lot!
Nov
9
comment Logic - Translate a Math Statement
Doesn't "you must pay the daily fee unless you are a subscriber to the service" imply they are mutually exclusive, rather than inclusive?
Jul
23
awarded  Scholar
Jul
23
accepted Why can/do we multiply all terms of a divisor with polynomial long division?