Calculation Help

Pictures of charts don't allow us to see what you are doing in the spreadsheet, s it is difficult to see what you are doing wrong.

It looks like a basic rotation problem. It's too bad your math skills are not the greatest, because this looks to be a simple matrix multiplication. See wikipedia: https://en.wikipedia.org/wiki/Rotati...Two_dimensions Remember that Excel has the MMULT() function for matrix multiplications: https://support.office.com/en-us/art...3-e4ad3c7245eb
Also remember that, like almost all other programming languages, Excel's trig functions work with angles in radians.

Your post does not comply with Rule 1 of our Forum RULES. Your post title should accurately and concisely describe your problem, not your anticipated solution.

Use terms appropriate to a Google search. Poor thread titles, like Please Help, Urgent, Need Help, Formula Problem, Code Problem, and Need Advice will be addressed according to the OP's experience in the forum: If you have less than 10 posts, expect (and respond to) a request to change your thread title. If you have 10 or more posts, expect your post to be locked, so you can start a new thread with an appropriate title.

To change a Title go to your first post, click EDIT then Go Advanced and change your title, if 2 days have passed ask a moderator to do it for you.

(This thread should receive no further responses until this moderation request is fulfilled, as per Forum Rule 7)

Your post does not comply with Rule 7 of our Forum RULES. Please do not ignore requests by Administrators, Moderators and senior forum members regarding forum rules.

If you are unclear about the request or instruction then send a private message to them asking for clarification.

All participants:
Please do not post a reply in a thread where a moderator has requested an action that has not yet been complied with e.g Title change or Code tags...etc. Thanks.