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Question: Error, (in trig/normal/sincosargs) too many levels of recursion

Question:Error, (in trig/normal/sincosargs) too many levels of recursion

nm 9889 Maple 2023
simplify simplification trig
June 13 2023
3

Any workaround for this serious error in Maple 2023? Is this new bug? The problem is can't be cought so whole program crashes. Is this related to the new changes made in 2023 to simplification of of trig functions?

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restart;

711624

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interface(version);

`Standard Worksheet Interface, Maple 2023.0, Windows 10, March 6 2023 Build ID 1689885`

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Physics:-Version();

`The "Physics Updates" version in the MapleCloud is 1463. The version installed in this computer is 1462 created 2023, June 10, 2:26 hours Pacific Time, found in the directory C:\Users\Owner\maple\toolbox\2023\Physics Updates\lib\`

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expr:=-1/7-(-1/7*I*7^(5/7)*exp(2/7*I*Pi)*sin(1/7*Pi)-1/7*cos(1/7*Pi)*7^(5/7)*exp(2/7*I*Pi))^(7/2);
simplify(expr);

-1/7-(-((1/7)*I)*7^(5/7)*exp(((2/7)*I)*Pi)*sin((1/7)*Pi)-(1/7)*cos((1/7)*Pi)*7^(5/7)*exp(((2/7)*I)*Pi))^(7/2)

Error, (in trig/normal/sincosargs) too many levels of recursion

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Download simplify_error_june_13_2023.mw

Update

I just tried it in 2022, and it completes instantly with no error.

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interface(version)

`Standard Worksheet Interface, Maple 2022.2, Windows 10, October 23 2022 Build ID 1657361`

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expr:=-1/7-(-1/7*I*7^(5/7)*exp(2/7*I*Pi)*sin(1/7*Pi)-1/7*cos(1/7*Pi)*7^(5/7)*exp(2/7*I*Pi))^(7/2);
simplify(expr);

-1/7-(-((1/7)*I)*7^(5/7)*exp(((2/7)*I)*Pi)*sin((1/7)*Pi)-(1/7)*cos((1/7)*Pi)*7^(5/7)*exp(((2/7)*I)*Pi))^(7/2)

-1/7-(1/7)*(-(-1)^(3/7))^(1/2)*(-1)^(2/7)

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Download simplify_ok_2022.mw
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