Automatically translated.View original post







You may also like
Related posts



Chalie_Baker
4193 likes



Chalie_Baker
225 likes

Hailey’s Glow Up Log
220 likes

cubicequation
23 likes



emilie.studygram
332 likes

Patrick Oni
2 likes



Meredith Jao
860 likes

Steven Bou
68 likes


Kayla Maria G
9 likes


Kayla Maria G
7 likes

cubicequation
15 likes



carlyroese
205 likes



Karma
5 likes



Chalie_Baker
2019 likes

GingerFit
14 likes



Chalie_Baker
1187 likes



staci york 💛🍋
269 likes

Andy’s Journal
2 likes



healthlifemorgan
141 likes

cubicequation
3 likes

HeyMrWilson!
7 likes

Karmen Alexis
6 likes

Karmen Alexis
3 likes

cubicequation
3 likes



˓𓄹 ˖ ℰ𝓂𝒾 . ˖ ⊹ 🍥
8 likes



cubicequation
52 likes



isa
7 likes

cubicequation
7 likes

cubicequation
11 likes

cubicequation
11 likes

cubicequation
9 likes

cubicequation
1 like



3m3r1ta
14 likes

candy
44 likes


Alaska fun
0 likes

cubicequation
3 likes

cubicequation
8 likes

cubicequation
0 likes

cubicequation
73 likes

Patrick Oni
0 likes



Erika Quarles
1450 likes



healthlifemorgan
47 likes

Patrick Oni
0 likes

candy
3 likes
![A handwritten mathematical proof of the sine half-angle identity, sin(θ/2) = √[1/2(1-cosθ)], shown on a lined notebook page. The proof uses a geometric diagram of a right-angled triangle with an angle bisector and algebraic derivations.](https://p16-lemon8-cross-sign.tiktokcdn-eu.com/tos-useast8-i-3931-tx2/oc31YSAGfBEFgwA2AB217DBqOiiKi6A1QpAIU5~tplv-pyavlv3z7u-shrink:640:0:q50.webp?lk3s=66c60501&source=seo_middle_feed_list&x-expires=1816041600&x-signature=cXn3nyou9FZRR48lOkQ0YCM8uPY%3D)
cubicequation
1 like

ExpressoSolut
654 likes