In Whatever You Choose To Do, Do It Because It’s Hard, Not Because It’s Easy. Math And Physics And

How To Easily Remember the Unit Circle

I work in a walk-in tutor lab at my university and one of the other tutors showed me this a couple years back and it has changed my life.

First, you make a table that looks like this.

Then, go ahead and add in some nice denominators of 2 in every entry in the table.

Then give yourself some nice square roots on the numerators.

Alright – now we’re going to fill it in. The only value you have to remember is that sin(0)=0. So we put 0 in the numerator for 0 in the sine column. Then we just count up as we move down.

Then we do the opposite in the cosine column.

Then we simplify!

And voila – a beautiful unit circle table. 

Types of Data Structures

Making changes to the live site.

Computer Science

*screams into the public static void*

Scientists invented fabric that makes electricity from motion and sunlight. To create the fabric, researchers at Georgia Tech wove together solar cell fibers with materials that generate power from movement. It could be used in “tents, curtains, or wearable garments,” meaning we’d virtually never be without power. Source

daily reminder ~

The O(1) solution to any problem is to stop trying

do u ever remember all the horrible offensve things u said when u were like 15 and u literally feel ur soul detach and turn 2 dust 

So if you lived in a society where you had to secure your communication in order to be yourself around others, here are the apps that could help you do that.