Operation on trigonometric function not working

[dinesh1136]

Description

Operations- simplify,integration,differentation,algebraic not working on any Trignometric functions.

Steps to reproduce

1. Run visma gui
2. Type any trignometric function in term of x.
3. Click on visma.
4. Choose options -simplify, differentiation, integration.

Gif attached

I would like to work on this

[dinesh1136]

@sidkothiyal sir, i would like to work on this.