Sin problem, trig problem

  • Thread starter CrossFit415
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In summary, the concept of "sin" in scientific research refers to deviations or ethical violations in experiments or observations. To address the "sin problem," researchers can implement rigorous methodology and adhere to ethical guidelines. Trigonometry is commonly used in scientific research to calculate angles and distances, analyze relationships between variables, and model complex systems. Scientists can improve their understanding and application of trigonometry through textbooks, online tutorials, and seeking guidance from colleagues or experts.
  • #1
CrossFit415
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Ok...

(2, -3)

R = (Sqrt x^2 + y^2)
R = (sqrt (2)^2 + (-3)^2)
R= (sqrt 13)^2
R=13

Sin = y/r

Sin -3 / 13 ?

Cosin 2 / 13 ?

But then.. how come the answer gives me sin -3 (sqrt13) / 13 and for cosin 2(sqrt13) / 13

My question is how come there's a (sqrt13) included for the numerator since r = 13 ?
 
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Hi CrossFit415! :smile:

(have a square-root: √ and try using the X2 icon just above the Reply box :wink:)
CrossFit415 said:
R = (sqrt (2)^2 + (-3)^2)
R= (sqrt 13)^2

You've porbably worked it out by now,

but that should be just R = √(4 + 9) = √(13). :wink:
 

1. What is the concept of "sin" in the context of scientific research?

The concept of "sin" in scientific research refers to a deviation or error from expected or desired outcomes in an experiment or observation. It can also refer to a violation of ethical principles in conducting research.

2. How can the "sin problem" be addressed in scientific research?

The "sin problem" can be addressed by implementing rigorous experimental design and methodology, thorough data analysis, and transparent reporting of results. Adhering to ethical guidelines and obtaining informed consent from participants can also mitigate potential ethical issues.

3. What are some common trigonometry problems encountered in scientific research?

Some common trigonometry problems encountered in scientific research include calculating angles and distances in geometric models or structures, determining the relationships between variables in a study, and analyzing periodic phenomena.

4. How can trigonometry be applied to solve scientific problems?

Trigonometry can be applied in scientific research to measure and analyze angles, distances, and relationships between variables. It can also be used to make predictions and model complex systems, such as in physics and engineering.

5. What are some resources that scientists can use to improve their understanding and application of trigonometry?

Scientists can use textbooks, online tutorials, and practice problems to improve their understanding and application of trigonometry. They can also seek guidance from colleagues or consult with mathematics experts for complex problems.

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