Question

two boys throw balls A and B with windows at same time with velocity V not and KV node respectively these two balls coli dinner at tea time then true is first K is equal to cos theta one upon cos theta 2 second is equal to sin theta 2 upon sin theta 130 is equal to HKV not sin theta oneplus we not sin theta 240 is equal to HKV not cos theta oneplus be not cos theta II. answer

Answer 1

you can get it on Google