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Further Maths A Level Help Calculus Please

Any help would be greatly appreciated with the below q. I am so lost as to where I am going wrong. I can't seem to get the plus pi bit on the end. Thank you!

Reply 1

maya_jai_singh

Below is the q, and my attempt at part c). Thanks once again :smile:

Screenshot 2021-05-17 at 19.33.57.jpg130.0KB

Original post by maya_jai_singh

Any help would be greatly appreciated with the below q. I am so lost as to where I am going wrong. I can't seem to get the plus pi bit on the end. Thank you!

I can't read your first page.
Do you need to be careful about pi/2?

(edited 2 years ago)

Reply 3

JustSomeGuy:/

Original post by maya_jai_singh

Below is the q, and my attempt at part c). Thanks once again :smile:

On your part 2, the integral you're taking is an improper integral as tan(x/2) approaches infinity between your 2 bounds so you need to separate the integral into 2 before evaluating it :smile:

Reply 4

maya_jai_singh

Original post by mqb2766

I can't read your first page.
Do you need to be careful about pi/2?

Yep thank you.

Reply 5

maya_jai_singh

Original post by JustSomeGuy:/

On your part 2, the integral you're taking is an improper integral as tan(x/2) approaches infinity between your 2 bounds so you need to separate the integral into 2 before evaluating it :smile:

Thank you so much!