Question

write into polar form
1+sina+icosa​

Answer 1

Answer:

sina = cos(π/2-a)

cosa = sin(π/2-a)

1+sina+icosa

= 1+cos(π/2-a) + i sin(π/2-a)

= 1 + cis(π/2-a)

There is no simple cis(x) form because of 1.

Mark as Brainliest!