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may u help me in any of the postsS1 and believe me, my paper was 98% correct, and I did it in almost 1 hour
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may u help me in any of the postsS1 and believe me, my paper was 98% correct, and I did it in almost 1 hour
Yes. Even if you don't ignore the 4 you will get rid of it by dividing 4 on both sides and 0/4 is still 0. The other function was in terms of y so I decided to ignore it.Oh alright.
So we have to ignore the 4 that is being multiplied with cos^2x and the other function.
Stats?Has anybody given International Mathematics Paper 6? Urgent help required!!!
Dunno anything. It's 0607/62. Its giving me nightmares!Stats?
Dunno anything. It's 0607/62. Its giving me nightmares!
Yes this M/J. No teacher, no tuition. Im almost prepared for paper 2 and paper 4, but paper 6 is killing me!
Have you got a teacher? S1 is pretty easy once you get the hang of it.
Wait don't tell me you're taking the exam this m/j?
Lol. xD I think she's talking about igcse international mathematics
Have you got a teacher? S1 is pretty easy once you get the hang of it.
Wait don't tell me you're taking the exam this m/j?
As far as I remember, we had only 2 papers in IG math ... right?Lol. xD I think she's talking about igcse international mathematics
Im almost prepared for paper 2 and paper 4, but paper 6 is killing me!
International Mathematics is a totally different subject. You're talking about Mathematics only. International Mathematics is a different.As far as I remember, we had only 2 papers in IG math ... right?
Yeah IGCSE. I think I posted on the wrong thread lolLol. xD I think she's talking about igcse international mathematics
No it's three papers, either of core or extended.As far as I remember, we had only 2 papers in IG math ... right?
Alright thanks. Can u look at the other questions i postedYes. Even if you don't ignore the 4 you will get rid of it by dividing 4 on both sides and 0/4 is still 0. The other function was in terms of y so I decided to ignore it.
If you know cosine of an angle you can easily find sine of it as well as follows:Referred to the origin O, the points A, B and C have position vectors given by
−−→ OA = i + 2j + 3k, −−→ OB = 2i + 4j + k and −−→ OC = 3i + 5j − 3k.
(i) Find the exact value of the cosine of angle BAC. [4]
(ii) Hence find the exact value of the area of triangle ABC. [3]
(iii) Find the equation of the plane which is parallel to the y-axis and contains the line through B and C. Give your answer in the form ax + by + cÏ = d. [5]
Please help me with (ii), how do I get the sin of the angle sqrt41/21 as referred to mark scheme? My friend told me to use A^2=B^2+C^2, but how can we know if triangle ABC is a right-angled triangle? Is there any other way to solve this besides my friends method and sine rule?
ASAP. Thanks!!
ohh oh ok wow ... never knew sth like that existed. What's it about anyway? I mean what's the difference?International Mathematics is a totally different subject. You're talking about Mathematics only. International Mathematics is a different.
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