Question

if (cos 0+ i sin 0)^2 = x-iy then x^2+ y^2 = ?

(a) 1
(b) 2
(c) 0
(d) -1


(where "0" is angle )​

Answer 1

ʏᴏᴜʀ ᴀɴsᴡᴇʀ ɪs (1).

❥ᴠᴇsᴇ ᴇᴀsʏ ǫᴜᴇs ᴀᴇ..

ɴɪᴄᴇ ᴅᴀʏ

Answer 2

Answer:

ʏᴏᴜʀ ᴀɴsᴡᴇʀ ɪs (1).

❥ɴɪᴄᴇ ᴅᴀʏ