Find the angle (in radians) that makes in the complex plane.Round your answer, if necessary, to the nearest thousandth. Express between and .
Question
Find the angle (in radians) that makes in the complex plane.
Round your answer, if necessary, to the nearest thousandth. Express between and .
Solution
To find the angle in the complex plane, we can follow these steps:
1. Break Down the Problem
We need to determine the angle (argument) of a complex number, which is typically expressed as , where is the real part and is the imaginary part. The angle can be found using the arctangent function.
2. Relevant Concepts
The angle in radians, given the complex number , can be calculated using the formula: However, we also need to take into account the quadrant in which the complex number lies to give the correct angle.
3. Analysis and Detail
- Identify and from the complex number:
- Let’s assume that we have with specific values of and .
- Calculate the angle :
- If and , is in the first quadrant.
- If , add to the angle.
- If and , is negative and can be calculated directly.
- If , adjust the angle to or depending on whether is positive or negative.
- Express the angle in radians, ensuring it is within the range of .
4. Verify and Summarize
After calculating the angle, check the angle to ensure it falls within the specified range of to .
Final Answer
After completing the calculations based on specific and , round the answer to the nearest thousandth. For example, if we find to be radians, that would be our final answer.
Please provide the specific values of and so I can compute the exact angle for you.
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