How can I solve a complex equation without a good calculator?

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SUMMARY

The discussion centers on solving a complex equation involving trigonometric functions and square roots, specifically the equation 15=343*sin*x(0.357143 (+1.41421 sqrt(2389.-2401. cos(2. x))+98. sin(x))-4.9((0.357143 (+1.41421 sqrt(2389.-2401. cos(2. x))+98. sin(x)))^2). The user expresses a lack of a suitable calculator to solve for x, prompting suggestions from the community on alternative methods to tackle the problem. The conversation highlights the importance of utilizing online tools and mathematical software for complex calculations.

PREREQUISITES
  • Understanding of trigonometric functions and their properties
  • Familiarity with square roots and algebraic manipulation
  • Knowledge of numerical methods for solving equations
  • Experience with mathematical software or online calculators
NEXT STEPS
  • Explore the use of Wolfram Alpha for solving complex equations
  • Learn about numerical methods such as Newton-Raphson for root finding
  • Investigate graphing calculators or software like Desmos for visualizing equations
  • Study the principles of symbolic computation using tools like SymPy
USEFUL FOR

Students, mathematicians, and anyone involved in solving complex equations who may lack access to advanced calculators or software solutions.

Zashmar
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15=343*sin*x(0.357143 (+1.41421 sqrt(2389.-2401. cos(2. x))+98. sin(x))-4.9((0.357143 (+1.41421 sqrt(2389.-2401. cos(2. x))+98. sin(x)))^2


I do not have a good enough calculator


please help solve for x.

Thank you
 
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Funny, you have the whole internet, but you claim not to have a good enough calculator.
Suppose I want to help, what can I do ?
 

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