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Drongoski's latest activity
D
Drongoski
reacted to
hogzillaAnson's post
in the thread
Trig q
with
Like
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It's essentially two applications of the double angle formulae. We are in quadrant 4, which means that cosine is + and sine is - (as...
Yesterday at 8:28 PM
D
Drongoski
replied to the thread
BoS meet up
.
Where the place?
Yesterday at 8:27 PM
D
Drongoski
reacted to
jimmysmith560's post
in the thread
help plsplspls
with
Like
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It seems like you might have made a mistake somewhere, since it appears that the correct answer is 3\sqrt{10} according to the following...
Yesterday at 3:30 PM
D
Drongoski
replied to the thread
Trig q
.
Is answer ??: \frac {47}{72} - \sqrt { \frac {\sqrt {119} + 12} {24}}
Yesterday at 11:18 AM
D
Drongoski
reacted to
Nedom's post
in the thread
Is MX2 really just practice
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Like
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Personally for maths I never believed in doing the amount of papers that people preach so passionately about. Doing a few to get a feel...
Yesterday at 7:02 AM
D
Drongoski
reacted to
hogzillaAnson's post
in the thread
Trig
with
Like
.
Using the general solution formula is very efficient, but it's not in the current syllabus, which means it's not on the reference sheet...
Monday at 10:45 PM
D
Drongoski
replied to the thread
Trig
.
The general angle formulae for sin x = sin a, cos x = cos a and tan x = tan a are: \\ $sin x = $ sin\theta: x = n\pi +(-1)^n \theta...
Sunday at 8:19 PM
D
Drongoski
replied to the thread
thoughts on al jabr math centre??
.
As an aside, do you know that the word "algebra" comes from the Arabic: "al jabr"?
Sunday at 4:27 PM
D
Drongoski
replied to the thread
Trig
.
sin3x = cos x =sin(\frac{\pi}{2}-x)\\ \\ \therefore 3x = n\pi + (-1)^n (\frac {\pi}{2} - x) $ $(n = 0, 1, 2, . . .) \\ \\ $For n = 0...
Sunday at 2:13 PM
D
Drongoski
replied to the thread
Advice needed for English Tutoring
.
I think it would be highly impractical to teach 2 students with different texts simultaneously. Is it not possible to tutor each...
Friday at 1:10 PM
D
Drongoski
replied to the thread
Complex vector q
.
The diagonals of a kite also intersect at 90 degrees; so should work. MABC here is both a kite(a kite does not normally have all 4 sides...
Nov 30, 2022
D
Drongoski
replied to the thread
Complex vector q
.
For (ii) let the "centre" of the regular hexagon be M ( M is also the common mid-points of AD, BE & CF). All the triangles MAB, MBC...
Nov 30, 2022
D
Drongoski
replied to the thread
Sequences and Series (again)
.
Q1. S_n = \frac {n}{2}(2a + (n-1)d) \\ \\ \text{ is simply the formula for sum of the 1st n terms of the the A.P.: a, a+d, a+2d...
Nov 30, 2022
D
Drongoski
reacted to
dasfas's post
in the thread
What to study if behind for civil engineering
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Like
.
Algebra, trigonometry, calculus (derivatives, integrals) are the big ones. Also vectors are important
Nov 30, 2022
D
Drongoski
replied to the thread
What to study if behind for civil engineering
.
Read up on Mechanics (in Physics). Maybe get friend to help you in Mechanics and further Maths. Or, if you can afford it, come to me...
Nov 30, 2022
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