Find the Sine of an Angle

Video: . What is an isosceles trapezoid. The video goes over the properties that are unique to an isosceles trapezoid. Video Guide :12 Properties of an isosceles triangle explained (Quadrilateral with two parallel sides and two non-parallel sides) :43 Unique properties of an ...more

One of the defining parts of my childhood was getting extremely frustrated with claw machines at arcades. Usually, that was because as fun as they were, they were probably rigged and wouldn't actually grab anything. Which is why a new claw machine demo made with Apple's ARKit ...more

While Snapchat is no stranger to location-based AR scavenger hunts, the app's new world-facing game adds some environmental understanding to the mix. This week, Snapchat launched a new Snappables game dubbed Scavenger Hunt. However, while most Snappables games use the front-f ...more

Rovio created one of the first mobile gaming hit franchises with Angry Birds, so perhaps it is surprising that, aside from a promotional mini-game developed with Zappar, the company has yet to adapt the game to augmented reality via ARKit. Halfbrick Studios, maker of the hit ...more

If you've spent countless hours scrolling through Instagram feeds full of selfies, then I'm sure you know that some are, well ... better than others. There are so many different things you can do to start taking better selfies to post on social media. One really easy way is to ...more

Using just a small sticky note, we can trigger a chain of events that ultimately results in complete access to someone's entire digital and personal life. Imagine arriving home one night after work and there's a Post-it note on your apartment door with the website "your-name- ...more

A new repository appeared in Microsoft's GitHub account a few months ago for a project called HoloJS. For those JavaScript developers out there that have been wanting to make HoloLens apps, this one's for you. Microsoft has been surprising the development world recently by fu ...more

Chance are, you or someone you know is that person in the gym: flexing in front of a mirror, posing for the perfect photos to show off your workout results. But finding the right picture is hard. The thing is, it doesn't need to be. A good gym selfie or workout video doesn't ...more

Your phablet's large screen is perfect for viewing movies and music videos wherever you are, but as gorgeous as the Note 3's screen is, holding it gets old and you can't always find something to prop it up at a decent movie-watching angle. But there's a secret you might not k ...more

Just over a month ago, Google made its camera app available to all devices running Android 4.4 and higher. Originally exclusive to Nexus devices, the app got a UI overhaul and a new Lens Blur mode, but lost some features in the transition. A few weeks ago, Google began adding ...more

As the cooler weather starts rolling in your pet will need more than just his natural coat to keep the shivers away. Take him out in style by designing a simple yet elegant tailored coat that will fit him perfectly. Here is an easy lined tailored coat with a nice thick comfort ...more

We've already seen plenty of shopping potential for mixed reality headsets, from holographic car showrooms to trying on clothes and picking out furniture. Very few of those ideas have been put into actual practice, but we're getting closer, and consulting firm Valorem is makin ...more

When learning Wi-Fi hacking, picking a compatible Wi-Fi network adapter is the first step to learning to crack Wi-Fi passwords. Many compatible adapters have swappable antennas, and there are several different kinds of specialized antennas you can add to a network adapter to ...more

In 1958, Patrick Flanagan invented the Neurophone, a device patented in 1962 that allows radio signals to be picked up by the human nervous system. The skin is the organ that receives the signal, converting it into a modulated molecular vibration, which the brain interprets in ...more

"I'm Rey." That's what a lot of people will be saying again this Halloween, as Rey costumes are sure to be another favorite of trick-or-treaters and cosplayers. Yes, on Oct. 31 we all have a chance to be the scavenger of Jakku who just so happens to be the "new hope" for a Jed ...more

There's never been a better time for streaming videos on your phone. With so many options available (including a potential mobile-only Netflix tier) and so many new smartphones having large screens, there's a good chance you know someone who mainly use their phone for videos. ...more

Video: . Installing baseboard / skirting board: How to cut and install skirting boards / baseboards for a perfect internal corner. Where baseboards meet at an inside / internal corner, a coped joint is used. To find out how to make a coped joint, please watch the video. A cop ...more

Honest. WonderHowTo was more than skeptical! But then we consulted the pros at Learn-Orienteering.org and got a lesson in navigation. The watch face is a proven substitute for the magnetic compass (but this tutorial is for Northern Hemisphere only). "If you have an analog w ...more

As part of the iOS 11 update, Apple added a document scanner function that creates high-quality digital copies of physical documents, but it was only available inside the Notes app. With iOS 13, Apple has built its scanner right into the Files app, enabling you to quickly crea ...more

You may not have thought of dorks as powerful, but with the right dorks, you can hack devices just by Googling the password to log in. Because Google is fantastic at indexing everything connected to the internet, it's possible to find files that are exposed accidentally and co ...more

In iOS 13 and later, Spotify supports Siri commands, something we've wanted ever since Siri and Spotify were things. But if you're on iOS 12 still, you're missing out. All you can do is open the Spotify app, then pause and skip tracks with Siri after you start playing a song m ...more

If you don't want to dress up as a vampire, witch, werewolf, or zombie again this Halloween, step things up a notch and go viral. There have been a ton of funny memes and absurd news since last October, so the only hard part is settling on the right one for inspiration for you ...more

In the previous article, we learned how to set up our VPS, configure our PHP server, and developed an in-depth understanding of how the payload works. With all that taken care of, we can get into disguising our payload to appear as an image and crafting the note in the greetin ...more

The worst can always happen. Even if you think you're absolutely prepared, you can somehow find yourself stranded in the middle of nowhere by yourself.  It can happen.  Without a map, without a compass, without a cell phone... without food and water. There are plenty of dange ...more

It’s called Urophagia—the art of consuming urine. There could be any number of reasons for having the desire to drink your own urine (or somebody else’s). There’s the so-called term “urine therapy,” which uses human urine as an alternative medicine. In urine therapy, or uropat ...more

Make this Valentine's Day one to remember! Well... because you forgot. But don't worry, you can still make that heart pitter-patter for your love by saving face and getting some last minute Valentine gift ideas on the cheap. There's no reason to shop at Hallmark or buy expens ...more

Fire.  It’s everywhere— always has been.  From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene.  Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more

Wall studs are both critical for maintaining the structure of your home and supporting items of weight and function on the interior walls (e.g. cabinets, shelves, plasma TVs, etc.). With wall studs playing such a critical role, consistently being able to find them is important ...more

After taking a beginner’s art class at my local community college I realized two things: one, art supplies are extremely expensive, and two, I am not talented at painting. Although my painting skills are comparable to those of a five year old, I still enjoy art and being creat ...more

Written Instructions with accompanying video for anyone who wants to make a basic pant exactly to your measurements! Please get your correct measurements before you begin from How to Take Your Measurements. Video: . Note: Solid lines are the final cutting lines. Dotted lines a ...more

Have you ever seen Whose Line Is It Anyway? Many people enjoy watching this show, where they can see people do comedy off the top of their heads. There's no prior thought involved and it can be a lot of fun to participate in. What is improv? Improv, which stands for improvi ...more

It's 1976. The hottest arcade game on the market is Blockade (or Blokade), an 8-bit maze game for 2 players. You and your opponent must move your characters around the screen in 90-degree angles, leaving a solid line behind them. Whoever runs into one of the solid lines first, ...more

Materials 4 - 5" long bolts 4 matching nuts 8 heavy duty flat washers 4 to 6 - 2" taper head screws Longer bolts to mount the router base to a thicker surface. These must match the thread of the original bolts that came with the router. 1 hunk of wood - 1 1/2" thick x 4" wide ...more

This article will teach you how to make an iPod video projector for about $6 (depending on what materials you have) that works pretty well. First off, you need to gather your materials. I had everything except the magnifying glass, which I bought for $3. Materials Cardboard ...more

How to Build a Basic BirdhouseMaybe you were outside in your back yard and you noticed that it seemed a little lonely and empty. Our maybe you have young kids that love to experience wild life in their own back yard. Whatever reason you have for searching out this article, you ...more

Have you ever wondered how to successfully create a panorama with your camera? What is a Panorama? A Panorama is a big image that has a very wide field of view, a Panorama is created by merging a sequence of photos taken adjacent to each other from the same origin, simulatin ...more