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The dot product of two vectors depends (as far as angles are concerned) only on the cosine of the angle in between. Since
it doesn’t matter whether we measure the angle clockwise or counterclockwise – only the angular magnitude is important.
Thank you for your attempt to be convincing, but it's not matter of calculation.
Let's time make thoughts clear.
Does it matter?
It seems to me they are different cases and I don't understand why I should restrict the range of values the angles can assume. Also algebraically the answer would be the same with the wider range. Perhaps with a future thought I'll understand your point of view.
Thanks anyway.
Why do you want to consider the angle between two vectors to be reflex?
How do you distinguish the case
and are on the same or on the opposite half-planes originated by the line of ?Why \pi and not 2\pi?
Thanks Bob, I will go through the theory again so I can have a good grasp of the concepts. Only then will I refer back and attempt these questions.
Thanks again,
But you have not to throw everything away: you've already answered Yesterday 01:15:29 in your previous topic - urging is confusing, do you agree? -
1.1 P(A) = 408+678/2018 = 0.538
1.2 P(AlB) = 379/2018 / 1210/2018 = 0313
1.3 P(AUB) = P(A) + P(B) - P(AandB) = (678/2018)+(379/2018)-(379/2018) = 0336
1.4 P(A) *P(B) = (207/808) * (408/2018) = 0.0517 interpretation
I add a question: does 0.0517 here above express something about in/dipendence between number of schools and age? Otherwise, what does it express?
In my opinion you are ready to face also question 2: would you try?
Hi,
False.
Other than
, there are any number of possibilities. Some are . is one of them.
I'd find interesting to share the different ways we use to approach the problem. My immediate view was graphical, for instance. And yours algebraic, I suppose.
I "saw" a parabola "free to move" but its fixed point
She is still telling me I am doing all of this wrong
What "all of this"? Your first version, I suppose.
Find out H now
H = ...
and go on.
The picture will inspire you.
As a Maths anf Physics teacher, I appreciate very much your website.
I'd like to work at an Italian version of it: what do you think about?
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