Show me how to integrate this equation step by step

[newbie101]

Hi All,

Can you please help me to integrate this equation.

I've also attached the answer. Please show workings step by step.
I just can't seem to obtain the answer.

Thanks,
newbie101

 

[benorin]

I take it that $$j=\sqrt{-1}$$?

 

[newbie101]

yes 'j' the square root of -1

 

[newbie101]

Another Integration Question

Hi again,
Please help me in the first question. Also I have another question. My Integration skills are really rusty at the moment after a long layoff .
Thanks,
newbie101

 

[newbie101]

Please Help

Hi All,

Please help answer question 1. I'm really surprise no one attempted, is question perhaps wrong?

regards,
newbie101

 

[amcavoy]

For #2, try:

$$u=\frac{\pi}{2}\cos{\theta}.$$

See what you can do from there...

 

[quantumdude]

1. I'm really surprise no one attempted

!

YOU were supposed to attempt it! That is explicitly stated in the rules that you AGREED to before posting. You can review those rules by clicking on "GUIDELINES" in the menu in the top right corner.

Also, I'm moving this to the Homework section.