Grade 12 Trigonometry Lesson 11| Trig functions | Cos and Tan Graphs

Trig functions: This lesson covers the ins and outs of the cosine (cos) graph and the tangent (tan) graph. You will learn how a horizontal shift, vertical shift and frequency shift affects these graphs.
#mlungisinkosi #matric #trigonometry #trigfunctions

[@kamogelomathabathe9761]

Thank you very much sir ☺️💓 you hv managed to change thousands of lives.including mine,from zero to 💯 keep helping the world lord shall bless you... I'll make sure that my kids in the future get to watch them too

[@MlungisiNkosi]

Thank you so much 🤗❤️

[@danko142]

watching all the adverts even though i must study so you get paid😌

[@MlungisiNkosi]

Thank you 😊

[@KhozaSiyabonga-hn7kg]

Lesson Number 11 With my Uncle I'm really enjoying Trigonometry

[@thatgurl__]

Plz keep these helpful videos up for grade 12 I appreciate this channel 🙏✌️ tnx

[@MlungisiNkosi]

Thanks a million

[@keabetsoemasete8159]

Mlungisi doin the most 😭❤🙏🏽

[@JuliaMabelane]

Best Mathematics teacher❤🎉

[@MlungisiNkosi]

Thank you 😊

[@sinenzolomsengana8889]

Sir you are the life saver🥺🤞

[@MlungisiNkosi]

You’re welcome

[@primrosephadaphada3438]

Thank you so much my good sir , wow thinking that I didn't understand a thing on this chapter but now? Sheesh🔥.

[@MlungisiNkosi]

That’s awesome 🤩

[@divinembaya208]

100K CONGRATS!!!!!♥

[@MlungisiNkosi]

Thank you so much 😀

[@meganenslin4611]

Sir, at 30:15 when you calculated the ref angle for tan should you not have left out the negative when calculating it? Making it tan^-1(½) and not tan^-1(-½) making it 26.57°?? Just a bit confused...

[@MlungisiNkosi]

Let me check it out and revert

[@mumtazmahomed2674]

Hi Mr Nkosi 👋☺️ Thanks so much. Your videos are really helpful. I’ve been watching your videos for quite a long time and I never regret 👌 one question, how did you know to substitute “1” in k at time interval 31:00 ?

[@MlungisiNkosi]

You just keep trying different numbers and increase them

[@thobekanokwanda2706]

U make it so easy malume👌

[@laughtribe2194]

Hope your well sir. Can we pls get a 1. 5hr session of revising past exam questions on trig function ❤️📚👍

[@MlungisiNkosi]

Come to my class 😃

[@laughtribe2194]

@@MlungisiNkosi where😆?

[@MlungisiNkosi]

@@laughtribe2194 online via Meets. They are paid for, however. You may email [e-mail]

[@nobulalimatewu5195]

You are the bestest 😊

[@josephmegajay5]

Thank you sir ♥️it's really helpful 😌 I'm writing today 🔥✊🏾good luck to everyone writting today

[@MlungisiNkosi]

How was the exam?

[@MlungisiNkosi]

How was the exam?

[@nkululekomhlengi1982]

Sir how do you see if the shift is vertical or Horizontal

[@azasouthafricanyoutubers5654]

Hi sir, have you uploaded the video with past exam questions?

[@MlungisiNkosi]

Not yet… Yhooo I’m still exhausted from last week. But I’ll start soon

[@perkydehuis2924]

03 Oct 2022
So Sir for tan if the number is -ve when we looking for the ref angle we don't ignore the -ve

[@MlungisiNkosi]

Correct

[@aphelelephindiwe7943]

Sir have you uploaded the video with the past exam question papers ?

[@MlungisiNkosi]

Not yet

[@AD-hr4xf]

sir you a Goat🐐

[@MlungisiNkosi]

Thank you 😊

[@saraasare699]

👏👏👏

[@saneleterence8297]

Hii sir, how did you find the value of k at the end

[@MlungisiNkosi]

Please provide time stamp

[@saneleterence8297]

2 May

[@a1.w6]

sir at 31:20, sorry to disturb but should we always make k=1 or k=2 ? if that makes sense

[@MlungisiNkosi]

Yes

[@kingccaptured2790]

Sir will this live be available lateral

[@MlungisiNkosi]

Yes it will be available

[@nomzamotinkyonnetmpala6842]

Sir I don't understand where1-1=0, 1-1=2um lost like sir, plotting the second graph

[@MlungisiNkosi]

Use a calculator instead

[@sinenzolomsengana8889]

Sir you are the life saver🥺🤞

[@MlungisiNkosi]

Thank you