contestada

Let z = 11 (cos(1) + i sin (1) and w=7(cos(1) + i sin (1)
What is zw?
A: 11/7(cos(pi/6) + i sin (pi/6)
B: 77(cos(pi/6)+ i sin (pi/6)
C:12(cos(pi/12) + i sin ( pi/12 )
D: 77 (cos(pi/12) + i sin (pi/12)

Let z 11 cos1 i sin 1 and w7cos1 i sin 1 What is zw A 117cospi6 i sin pi6 B 77cospi6 i sin pi6 C12cospi12 i sin pi12 D 77 cospi12 i sin pi12 class=

Respuesta :

i think it would be b. not positive thought

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