Answer: -8i
Explanation: Simplify the real and imaginary parts of that expression step by step to be left with -8i
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Answer:
1.57 radians
Step-by-step explanation:
Divide both sides by 360, you get 1° = π/180. This means 70° is equal to (70)(π/180). Then simplify this, and 70° = (7π)/18 radians, or approximately 1.221730476396 radians. This seems reasonable because 90°, is a quarter circle and (1/4) of 2π is π/2, which is approximately 1.57 radians.
Answer:
n=-1 or n=-4
Step-by-step explanation: