Prove that cos to the power 8 A- sin to the power 8 A=(cos square A- sin square A)(1-2sin square A-cos square A)

Asked by david wr | 30th Aug, 2012, 10:34: PM

Expert Answer:

Answered by  | 30th Aug, 2012, 10:54: PM

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