Answer:
True , -5i = 5*(0 - i) = 5*( cos 3π/2 + i*sin 3π/2) = 5*(cos 270 + i*sin 270)
Step-by-step explanation:
5*( cos 3π/2 radians + i*sin 3π/2 radians) = 5*(cos 270 degrees + i*sin 270 degrees)
Answer:
C. 6 units
Step-by-step explanation:
Hope it helps.
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Answer:
1 = 140 2 = 70
Step-by-step explanation
1 is 140 because it is the same as 140 and 2 is 70 because it is the same angle as 70.