Q: How does the trig function ACOS work in Excel?

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Trigonometry functions are used to work out the various properties of triangles.

'How do you do formulas on excel and continue to work with answer as a numerical value and not a formula '

The law of sines: http://www.ies.co.jp/math/java/trig/seigen/seigen.html

Check out these articles for a simple free tool and tutorial that will make trig simple enough for ANYBODY to do! http://www.ehow.com/how_5520340_memorize-trig-functions-losing-mind.html http://www.ehow.com/how_5227490_pass-mind-part-unknown-sides.html http://www.ehow.com/how_5428511_pass-part-ii-unknown-angles.html

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There are several functions of Excel that do not work with 3D formulas. These include cell references and range formula.

spherical trig look it up its way confusing

Study hard, check your work.

Excel does not have a HIGHVALUE function. It does have a MAX function that finds the largest number in a range.The MAX function returns the largest value from the numbers provided.MAX(number1,number2,...number_n)number1, number2, ... number_n are numeric values - they can be numbers, named ranges, arrays, or references to numbers. There can be up to 30 values entered.

Each function has to be put in correctly. Some formulas have different requirements than others. They may need values to work on. If they are not provided properly, then the functions won't work. So yes, there are many ways that a function can be entered wrongly.

Trigonometry functions are used to work out the various properties of triangles.

You can use the Formula Auditng which includes the Evaluate facility and Trace Precedents, which would be useful.

Nesting a function is putting one function inside another. This can be done for more complex formulas. Nesting has to be done carefully as it is easy to make mistakes and get the wrong results, or for the formula not to work at all.

No, not even close. Though both work with variables in some instances and other mathematical techniques, such as logarithms and algebraic manipulation, algebra is mostly equation solving to get the variables value, though trig has equations, while trig is the study of triangular and circular measurement and using these measurements to solve specific problems. Trig is much about identities, functions and many formulas while algebra is mostly about function and equation manipulation. Still, they are both mathematical disciplines.

go on to Microsoft excel and do what you want

By working hard and knowing your job well and becoming really proficient at doing it, then you will excel at work.

It shows you what needs to be put into a function for it to work. You can type the arguments directly into the boxes that are shown for the particular function you are using. It is particularly handy for more complex functions that you are not used to working with.