## 290 Reputation

6 years, 136 days

## Triangle 3 - 4 - 5...

@Carl Love I replace 3, 5, 7 by 3, 4, 5, I got "Warning, expecting only range variable t in expressions [abs(cx)*cos(t), abs(cx)*sin(t)] to be plotted but found name cx
Warning, data could not be converted to float Matrix".

## Thank you very much...

@Carl Love Thank you very much.

## Maple 2018...

@vv I use Maple 2018. I got

## Remove eq := sin(9*x-(1/3)*Pi) = sin(7*x...

@Kitonum I think, we can remove

`eq := sin(9*x-(1/3)*Pi) = sin(7*x-(1/3)*Pi):`

## @Carl Love I think restart; a := 9*...

@Carl Love I think
restart;
a := 9*x-(1/3)*Pi:
b := 5*x-(1/6)*Pi:
solve(a = 2*Pi*k+b, x);
solve(a = 2*Pi*k+Pi-b, x);

## @Mariusz Iwaniuk  How to use your c...

@Mariusz Iwaniuk
How to use your code with
sin(9*x-(1/3)*Pi) = sin(5*x-(1/6)*Pi)?

## I agree with you...

@nm Yes, k is an Integer. I agree with you.

## Thank you vey much...

@tomleslie Thank you vey much.

## Thank you very much...

@tomleslie Thank you very much. A small question. Why I get error when I use nops(evalf(sol)) ?

## How can I get the exact of the numbers a...

@Carl Love How can I get the exact of the numbers a, b, c?
By hand, I can prove that, the line Delta passing the point DD and perpendicular to the plane (ABC). And then,

maxS = Distance(A, DD)+Distance(B, DD)+Distance(C, DD);

My code get

[9.37769297305868754, [a = .801783725149603, b = .534522484467394, c = .267261242390448]]

## Thank you very much....

@Joe Riel Thank you very much.

## @mmcdara Because I choose polynomia...

@mmcdara Because I choose polynomial degree 10, then when tends to plus or minus infinity, f(x) always tend to infinity. It didn't fit with figure.
I think, we need to choose a function that is suitable for the drawing.