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Verifying trig identities is important, especially when you're about to let one of them into the country—which is why they should keep their pass...

FYI: cats don't like to get wet. Okay, so that fact won't be relevant every time you solve trig equations, but it happens to be this time.

The law of sines is all about proportions, so make sure to keep yours in order.

The law of cosines allows you to find angle measurements if you have the side lengths. You know, in case you run into that situation on Saturday ni...

Mosquitos need their caffeine, just like the rest of us. Wouldn't think zipping around and stinging people all day long sap your energy?