Question

find the modulus and amplitude for = -8+15i
​

Answer 1

Answer:

here's your answer

Step-by-step explanation:

z=4+3i

Comapring with z=x+iy

x=4 and y=3

∣z∣=

x

2

+y

2

=

4

2

+3

2

=

25

=5

Amplitude =tan

−1

(

x

y

)=tan

−1

(

4

3

)