Add support for $sin and $sinh aggregation operators

[christophstrobl]

Available since MongoDB 4.2

• https://docs.mongodb.com/manual/reference/operator/aggregation/sin/
• https://docs.mongodb.com/manual/reference/operator/aggregation/sinh/

[jagadeeshkoka]

How can I work on these requests ? I would like to contribute..

[christophstrobl]

@jagadeeshkoka thanks for reaching out. There's already a PR (#3755) that covers those operators.
In general, just like this :) - pick one of the open issues, let us know you'd be interested and feel free to submit a PR.

[jagadeeshkoka]

@christophstrobl thanks for the reply, so if PR is created, that means someone else is already working on it ? so we should look for open issues and create a PR with proposed solution ? once the PR is being approved we can work on it ?

[christophstrobl]

Sorry it took so long to come back to you. We've got labels for like ideal-for-contribution that should help you look for open tickets. If the ticket does not have an assignee nor a PR linked, that's the ones you might be interested in. Just tell us you'd like to work on something specific so we can assign the issue to you. when done open a PR for it.