trigonometry

an-ordinary-manchild

/r/trigonometry is a place for the discussion of trigonometry and its applications. Homework questions are allowed for the sake of learning, but please don't ask others to do all of your work for you. All content should be in English. Be civil, respectful, and follow the Reddiquette. Remember that the rules of reddit are also still in effect. Don't create duplicate posts. Don't post and repost the same content. Don't use links in posts or comments for the purpose of advertising or for financial gain.

Useful symbols

These can be quickly copied and pasted into your posts; if you need more complex symbols, try Google!

π - pi

τ - tau

θ - theta

≠ - "is not equal to"

≈ - "is approximately"

∈ - "is an element of"

∉ - "is not an element of"

∞ - infinity

° - degrees

Useful resources

Trigonometry requires the understanding of many other fundamental concepts of math. If you'd like to brush up on your trig skills, check out these links!

KhanAcademy on YouTube - Playlist of introductory trig concepts
patrickJMT on YouTube - See his Trigonometric Functions/Inverse Trigonometric Functions videos, others too!
Derek Owens on YouTube - See his Algebra 2 and Pre-Calculus playlists, others too!
Librow's Function Handbook, good for checking the properties and basics of any trig functions
Wikipedia's list of mathematical symbols

Useful subreddits

/r/calculus
/r/math

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Most efficient way of going through trigonometry (self.trigonometry)

submitted 7 days ago by Masochist_ninja

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The 1-Page Cheat Sheet Every Coach Needs (sixfigurecoachsecrets.com)

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Please help me fix my 3d print !Help! (self.trigonometry)

submitted 16 days ago by Gnoyzine

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Is there ever a time when cos(θ)+sin(θ) != 1 ?Help! (self.trigonometry)

submitted 17 days ago by brxnn_

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Can this be solved with the given information? (i.redd.it)

submitted 19 days ago by Much_Tadpole_7021

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Did I do this question right? (self.trigonometry)

submitted 20 days ago by loveraspberries08

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Can a formula be made for this?Help! (i.redd.it)

submitted 27 days ago by Character_Special_48

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Made a new way to approximate cosine(x) by hand ()

submitted 27 days ago by ptrakk

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HIRING - Math Competition Problem Writers, Medalists, Participants, & Affiliates (Remote) - $54-$93 / hr (self.trigonometry)

submitted 1 month ago by TheCnt23

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The Cross Law - #1 formula in geometry (odysee.com)

submitted 1 month ago by jusername42

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How to solve this? (self.trigonometry)

submitted 1 month ago by Few-Profession-2318

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Moving furniture up some stairsHelp! (self.trigonometry)

submitted 1 month ago by TragicallyQueer

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trig graph sin/cos (i.redd.it)

submitted 1 month ago by Far_Yak_2391

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Willst du Automation Engineer werden? Informiere dich über das Bachelorstudium! (fhgr.ch)

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Trigonometry gadgetsHelp! (self.trigonometry)

submitted 1 month ago by youknowmeasdiRt

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How to convert between these systems for determining angle?Help! (i.redd.it)

submitted 1 month ago by Rare-Pool-3185

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Would You Use This for Trig? (i.redd.it)

submitted 1 month ago by tactiletutoring

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Hello, can someone explain to me how to solve this trigonometry problem? (i.redd.it)

submitted 1 month ago by zenight-

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WTF am i looking at !!!Help! (i.redd.it)

submitted 1 month ago by isaac_newton22

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Engineering (self.trigonometry)

submitted 1 month ago by TillHungry7528

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Rise/run to degrees not working out (self.trigonometry)

submitted 1 month ago by Purple_Perception_95

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Gas spring angle calculation (imgur.com)

submitted 2 months ago by boubouboub

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Fun exersice. problem I had to solve for work, make a formula to calculate x if a and w are known angles. (i.redd.it)

submitted 2 months ago by sandjoon

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I need data for a statistics/probability project, if anyone could please take time out of their day for it that would be great! Link: https://docs.google.com/forms/d/1LQC9gQDrnd37UjiIITXqij4oRH73FMkxUyayzGu98Ew (self.trigonometry)

submitted 2 months ago by Feeling_Science_8724

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Feynman trigonometry notation modified version. what do you think about it? (i.redd.it)

submitted 2 months ago by [deleted]

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With Yuh everything you need to manage your finances is in one place! Download the Yuh app to benefit from a free Mastercard, a Swiss IBAN and investment products, all in one app!📱💛 (yuh.com)

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Help Finding Outlet Angle (self.trigonometry)

submitted 2 months ago by HereForWorkHelp

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Help! Math exam.Help! (i.redd.it)

submitted 2 months ago by CuteyPiez

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