Finding unknown value in a equation using MATHCAD

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SUMMARY

The discussion focuses on solving the equation sin(x)*e^(-y/tan(x)) = sin(x-y) using MathCAD. The user seeks guidance on how to input this equation into MathCAD to find the value of y, given a specific value for x. The solution involves utilizing a "solve block" in MathCAD, which is initiated with the keyword "given" followed by the equation and constraints. The correct syntax for the solve block includes using the forward arrow (Control + .) to indicate the variable to be solved.

PREREQUISITES
  • Basic understanding of trigonometric functions and exponential functions.
  • Familiarity with MathCAD interface and syntax.
  • Knowledge of how to create and manipulate equations in MathCAD.
  • Experience with using solve blocks in MathCAD.
NEXT STEPS
  • Review the MathCAD documentation on "solve blocks" for detailed instructions.
  • Practice entering and solving equations in MathCAD with different variables.
  • Explore advanced MathCAD functions for handling complex equations.
  • Learn about the use of constraints in MathCAD to refine solutions.
USEFUL FOR

Mathematicians, engineers, students, and anyone using MathCAD for solving equations and performing mathematical analysis.

jerry225
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hi,

I am trying to enter an equation in MATHCAD.
the equation is sin(x)*e^(-y/tanx) = sin(x-y)

Here, I know the value of x and I want to find the value y. How do I find the y value using Mathcad? I mean how can I enter the equation in Mathcad?
 
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Jerry, you will need to use a "solve block". Check it out in the MathCAD help documentation for more information.

I'm not an expert with MathCAD and I don't have it on this computer, but I believe the code would look like this:

given %note, "given" is required as this is what starts the solve block

type equation here
type constraints here (i.e. x=4)

find(y)-> %use the forward arrow by pressing control + .
 
Thanks! I couldn't find solve block function.
 

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