Derivation of the half angle identities

[@connorlinehan2219]

you just gained a subscriber buddy. As others have said, great concise explanation and beautiful penmanship

[@jordansimms920]

Clear, concise and well explained! Love the pen style as well!

[@sigma7208]

*THE BEST TEACHER IN THE WORLD۔ IT IS SO EASY NOW۔ I CANT BELIEVE IT۔ THANK YOU VERY MUCH۔ YOU SAVED ME۔*

[@thabsor]

thanks man, really helpd with proofs

[@sigma7208]

I watch this over and over.

[@coffee1855]

Thank you! It was very easy to understand! 💖

[@mathsgotserved]

Glad it was helpful!

[@misbahshakeel899]

Well explained 👍

[@wintermelon8268]

Great video. Thank you!

[@Anuragsoni-xv3iy]

Respected Sir , You are great because you have good ideas. So thanks for it. !!!!!!😊

[@patrickpire5227]

A very good and easy to understand explanation ! Thank you !

[@BluDrop5]

For the tangent identity, you can square both sides to remove the square root symbols in the ratio. Then, reduce it. Lastly, take the SR of both sides to get tangent of (x/2).

[@gideonsiao]

Thank you so much !!! i was struggling at this topic

[@mathsgotserved]

You're very welcome!

[@sigma7208]

You got a sub dude

[@WingedShell82]

This helped, thanks :)

[@RtGMUmEaRKING]

Great explanation.. very helpful

[@zaffrihaqimi4059]

thank you so much ! I really love your explanation

[@mathsgotserved]

Glad it was helpful!

[@mathsgotserved]

[@AbcD-rq7mg]

Thank you very much sir. We understand very well . I am from india

[@mathsgotserved]

You are most welcome

[@AbcD-rq7mg]

Sir where are your home Town ( country )

[@wjhly2734]

Really useful video! Thank you so much~~

[@mathsgotserved]

You are very welcome.

[@jskoh4662]

Thanks for the nice video! The one I was just looking for 👍

[@mathsgotserved]

No problem 👍

[@bluepumpkin9073]

Nice penmanship!

[@intobp]

What is its illustration??

[@zhyarjamal9577]

Thanks a lot❤

[@mathsgotserved]

You're welcome 😊

[@silverswan4437]

Thank you very much ❤️❤️❤️

[@mathsgotserved]

You're welcome 😊

[@munirajmeena1585]

Nice video

[@skylit5474]

thanks, it helped

[@mathsgotserved]

You're welcome!

[@mohamedaadan4981]

Good work

[@mathsgotserved]

Thank you! Cheers!

[@Yuuki3uwu]

Very nice !

[@Keiotaka]

bro writes like a disney character lmao

[@mathsgotserved]

😂😂😂

[@IMCCHANNEL9448]

Thanks teacher

[@mathsgotserved]

You are welcome

[@the81kid]

Thanks!

[@mathsgotserved]

Welcome!

[@Chrisymcmb]

Isn't there actually 7 tangent half-angle identity formulas?

[@jingaili489]

Thank you so much!!!!

[@Anuragsoni-xv3iy]

Hey, sister : how do you do ?

[@ali_raza726]

Why u don't make videos

[@MDHUSSAIN-my7rh]

THANK YOU SO MUCCCCCCCCCCCH!!!😭😭😭

[@JustTruth-x7g]

yeahhh , that what i was looking for ! 3>

[@kakurocksman]

where exactly does this magical -1 come from that we are dividing the entire equation by?

[@LaneSurface]

He was making *-2*sin^2(a/2)* positive before he divided by two to emphasize that you can rearrange the *cos(a)-1* as *1-cos(a)* when you divide by the negative two. It was somewhat unnecessary.

[@dhruvkaushik4872]

Dude, are you serious?

[@kakurocksman]

@@dhruvkaushik4872 yeah, dude I was serious 8 months ago. Have fun learning trig you tiny little baby.

[@dhruvkaushik4872]

@@kakurocksman Haha Very funny -_-

[@sigma7208]

Its English