Mathematics: Post your doubts here!

[***amd***]

Anyone please help me.
9709/32/MJ/2010 question no.8.
It is about complex number.
as for 8i) I got until 1 + 2cos 2x +2 sin 2x, then I do not know which double angle is suitable for it.
View attachment 37760

sis, go to the A leve forum for this Q, this thread is for IGCSE

 

[ahmado]

View attachment 37761

But it is the angle bisector of FHG

 

[***amd***]

But it is the angle bisector of FHG

then u first draw a line FH.

 

[ahmado]

then u first draw a line FH.

How

 

[***amd***]

How

with a ruler -.-

 

[ahmado]

-,- why to f

 

[***amd***]

coz u have to take the angel bisector of FHG, and ignore the whole diagram

 

[ahmado]

L

with a ruler -.-

Like this

 

[***amd***]

L



Like this View attachment 37765

 

[Awesome12]

View attachment 37766

chawla sidde tara upload kar. hamari gardan torni hai?

 

[***amd***]

chawla sidde tara upload kar. hamari gardan torni hai?

using any other language than eng in formal threads is against the rules xD u should be banned!

and i uploaded it the way that guy did .-.

 

[Phoenix Blood]

i asked my sir he explained me smthng but no use to understand for 1 mark its always the same

It's not about the marks... Explain, please Or just solve and show

 

[Phoenix Blood]

Can anyone dram the symmetry and show

 

[Phoenix Blood]

Can anyone draw the symmetry and show

 

[Phoenix Blood]

Pl solve

 

[Phoenix Blood]

Why do we multiple reflection in the line y = x first, with the reflection in the x-axis
rather than
the reflection in the x-axis first multiplied by the reflection in the line y = x.?

 

[Phoenix Blood]

Explain, Pl

 

[Phoenix Blood]

Umm..Shouldn't it be this...

 

[Phoenix Blood]

which qp

0580_w12_qp_22

 

[Phoenix Blood]

use this key in ur calculator write for eg7:45 so write 7 press key than minute press key equals after ans - the time given u will find answer

Cool, WOW!
Can you show me some other calci tips? I mean, other than solving simultaneous and quadratic equations in the calc...