The exact value of cos(-120) equals

Question

The exact value of cos(-120) equals

in progress 0
Philomena 4 years 2021-08-25T10:27:09+00:00 2 Answers 10 views 0

Answers ( )

  1. RobertKer
    0
    2021-08-25T10:28:17+00:00
    Reply

    cos(-120)= -1/2

    nsbnxnn

  2. thanhcong
    0
    2021-08-25T10:28:24+00:00
    Reply

    Answer:

    0.81418097052

    Step-by-step explanation:

    just put it in a calculator?

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )