prove thatCos1 cos2.................cos180=0

Asked by vaibhavkalind | 15th Nov, 2009, 01:28: PM

Expert Answer:

cos1o cos2o.....cos90o............cos180o

= cos1o cos2o.....(0)............cos180o

= 0.

Since cos900 is zero and zero multiplied bu any number gives zero.

Hence Proved.

 

Answered by  | 16th Nov, 2009, 09:14: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.