Wikipedia trigonometric functions main diagram labeled incorrectly

Hello,

Please correct me if I am wrong but isn't the following diagram from Wikipedia's Trigonometric Functions page labeled incorrectly?

 Fig. 1
Since sin = opp/hyp and cos = adj/hyp, doesn't that mean that the green y segment labeled as cosθ, should actually be sinθ and that the blue x segment labeled as sinθ, should actually be cosθ?

Does anyone know how to edit a diagram in Wikipedia?

Thanks
WeThotUWasAToadAsked:
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Joe Winograd, Fellow&MVEDeveloperCommented:
Hi Steve,
You are correct — great catch! The folks at mathisfun have it right (copied here under "Fair Use"):

sin cos tan at mathisfun
I've edited text at articles in Wikipedia, but never an image. I'm guessing there's a way to do it when you click the Edit tab, but I can't help you there. Regards, Joe
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WeThotUWasAToadAuthor Commented:
Thanks Joe.  I thought I might be going crazy since I've come to depend on Wikipedia so much as a reliable source.

For your info, I posted a message at the Wikipedia Reference Desk/Mathematics and amazingly, got two responses and the correction within a matter of minutes (note the post times):

Error in main diagram at Trigonometric Functions[edit source]
Hello,
I'm not sure if this is the correct place to post this notice but it appears that the main (first) diagram in the article Trigonometric Functions is mislabeled. It currently has the opposite leg labeled as cosθ and the adjacent leg labeled as sinθ. I believe those two labels need to be switched.
Thank you — Preceding unsigned comment added by WeThotUWasAToad (talk • contribs) 17:29, 30 March 2017 (UTC)
I suspect this isn't the best place to raise the issue, but I'm not sure what is, and I went ahead and fixed it (the problem was actually with Template:Trigonometry, and not the article itself). --Deacon Vorbis (talk) 17:33, 30 March 2017 (UTC)
Thanks to both of you, for bringing it up and for fixing it. Fortunately it was only wrong for less than four hours. Loraof (talk) 17:47, 30 March 2017 (UTC)
That is fortunate although for about 20 minutes of those four hours it had me mightily confused. ;) Thanks for your prompt replies and thanks to all those who devote time to making Wikipedia so awesome. — Preceding unsigned comment added by WeThotUWasAToad (talk • contribs) 19:29, 30 March 2017 (UTC)

That prompt response time rivals EE!
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WeThotUWasAToadAuthor Commented:
Thanks
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Joe Winograd, Fellow&MVEDeveloperCommented:
Steve,
That's great stuff! Thanks for taking the time to let me know how it played out at Wikipedia — gotta give 'em a lot of credit! Regards, Joe
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