# maths alevel

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#1

i dont understand part 2
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1 month ago
#2
(Original post by deviany)
i dont understand part 2
Given the graph of I hope you know how looks like.

That being said, notice that for in this case each of the 'humps' will have area of .

In part (i) you found that

Note that the the area of the first two humps is then

Can you work out the question from there?
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#3
(Original post by RDKGames)
Given the graph of I hope you know how looks like.

That being said, notice that for in this case each of the 'humps' will have area of .

In part (i) you found that

Note that the the area of the first two humps is then

Can you work out the question from there?
just to make sure if i get the correct understanding. so if 2A is pi/2 and A is pi/4... and i want to know the interval when there is 40 humps so pi/4×40 =10pi. therefore k is 10. is that right?
0
1 month ago
#4
(Original post by deviany)
just to make sure if i get the correct understanding. so if 2A is pi/2 and A is pi/4... and i want to know the interval when there is 40 humps so pi/4×40 =10pi. therefore k is 10. is that right?
Yes.
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