a sin theta a sin theta plus d sin theta one can write this we have made for this part this integration part minus a by 2 to plus a by 2 and for this one, for this part we are putting this integration limit d minus a by 2 to d plus a by 2
மதிப்பானது d  மைனஸ் a/2  மற்றும் மற்றும் d  பிளஸ் a/2  ஆகும்.