Question related to topic collision.

Ma'am there's no attachment here .

wait i am attaching but i dont know where it is going

I think the pic didn't attach.

see down in your timeline i have attached

after chandresh dhawan i have attched

new attachment not in this coment section

okay so where should I find it?

it's not present in this comment sectiorn right?

i am attaching but it is vanishing dont know

tell your mail i will attach there

riyakothari287@gmail.com thankyou Ma'am

here is solution of your problem

now we can findout costhitha

👍

but according to question L is the distance between A and B. and The totla length if string is 2L so how can this triangle be related to the question?

if you can wxplain this attachment's second line that will be a great help thankyou :)

this is exactly what i attached last time . value of costhitha we have to find and i hv attached for that

I didn't understand the attachment that's what I was asking . I didn't understand what they have written in the second line

dear it's from angle consideration and i've already attached

it will give u information about angle

I'm not able to understand How did they write the value of cos^2 theta :(

yes dear.....

No Mam I was actually asking how did they write the value of cos theta and sin theta. I couldn't understand

see my attached dear

see attached file it's very helpful for you

Can you please explain how did they write the value of cos theta?