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# Last Person To Post Here Wins (Part 29) Watch

1. So, what's wrong? Seems right to me
2. (Original post by hamza772000)
So, what's wrong? Seems right to me
See the formulae doesn't fit this question as B doesn't have an angle

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3. still good lol
4. (Original post by Habina786xx)
See the formulae doesn't fit this question as B doesn't have an angle

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It does, work out angle CBA and then go from there.

Hint: Angles in a triangle add to 180 degrees.
5. (Original post by hamza772000)
It does, work out angle CBA and then go from there.

Hint: Angles in a triangle add to 180 degrees.
78+67
Ans-180

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6. (Original post by mediaya)
No worries
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well done matrix

I will (hopefully)
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baji

Loool ikr, i hope its ended now

Aww thats good! They are quite motivational to (only) READ!
True!
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Lol yeah
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Aysha dont see this the wrong way
wallah i lost all my motivation i see no point of my life. Im not suicidal alhamduiallah. Im so so upset Im not 'happy' anymore and i dont think i'll ever be as happy again.
7. (Original post by Habina786xx)
78+67
Ans-180

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The other way round 180-(78+67) or simply 180-78-67.
8. (Original post by hamza772000)
The other way round 180-(78+67) or simply 180-78-67.
Yeah i did that.

And now ill label them.

Is it b/sinB = a/SinA

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9. (Original post by Habina786xx)
Yeah i did that.

And now ill label them.

Is it b/sinB = a/SinA

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YUP
10. (Original post by hamza772000)
YUP
This doesn't work either.
To find the angle A

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Attached Images

11. (Original post by Habina786xx)
This doesn't work either.
To find the angle A

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wait I thought u wanted to wrk out that side lol, u can use the cosine rule here as Angle CAB is in between 2 sides
12. (Original post by hamza772000)
wait I thought u wanted to wrk out that side lol, u can use the cosine rule here as Angle CAB is in between 2 sides
Cosine rule to find the angle?

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13. Doesn't workkkkk. A has no sideeee

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Attached Images

14. (Original post by Habina786xx)
Cosine rule to find the angle?

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Yeah? rearrange the formula to get Cos(A) then do inverse Cos i.e Cos^-1
15. (Original post by hamza772000)
Yeah? rearrange the formula to get Cos(A) then do inverse Cos i.e Cos^-1
Doesn't work.

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16. (Original post by Habina786xx)
Doesn't work.

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watch a yt vid on how to work out an angle using cosine rule
17. (Original post by PrincessBO\$\$)
Aysha dont see this the wrong way
wallah i lost all my motivation i see no point of my life. Im not suicidal alhamduiallah. Im so so upset Im not 'happy' anymore and i dont think i'll ever be as happy again.
Dw i wont
it's normal to feel that way, it had to happen one day or another but i promise, u'll find happiness once again and what you deserve one day it wont go forever, might take a long time depending on what type of person you are, but till then just hold on! Allah does the best, just believe in him
https://youtu.be/QMwfy-4m95I
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sorry, i'm sure that didnt help :/ but i'm always with you

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18. (Original post by mediaya)
Dw i wont
it's normal to feel that way, it had to happen one day or another but i promise, u'll find happiness once again and what you deserve one day it wont go forever, might take a long time depending on what type of person you are, but till then just hold on! Allah does the best, just believe in him
https://youtu.be/QMwfy-4m95I
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sorry, i'm sure that didnt help :/ but i'm always with you

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19. Hi

Bye

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Updated: October 16, 2016
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