lfsc

Um, it's not 37.5. A common misconception, but the car spends more time (b/c it's going slower) at 35 mph. In total, it spends .6 hours driving, and it goes 20 miles. So 33.3 is correct.

skatj

For geometry, you should be able to recognize hidden special right triangles instantly. Also, know the properties of tangent and parallel lines very well.

atrophicwhisper

Sin, cosine, and tangent stuff (SOHCAHTOA) is useful.

dchow08

Oh! What was I thinking! Of course. Okay, never mind. Hah, and I'm on the math team and got an 800 on math! I don't know what I was thinking. Oh, dear...

but the point remains--don't just use equations you don't know how to use.

DFSMIN54

More important than the formulas IMO

is just comprehending the questions and answering the question correctly.
It is the worst when you know how to solve the question and put the wrong answer that is -30 on your score when it could have been +30.

O yea, and practicing helps too... the questions seem repetitive..it seems as if they put the same kinds of questions on the tests. if you take practice tests you can see the types of problems and learn how to do them...so you can do them easily in real life situations.

There is this ****** calc program with every formula too, if you are interested. Saves a bit of time.

Sly Si

Definitely know sohcahtoa. It's not even so much a formula as the definition (well, one possible definition out of at least three) of the trig functions.

I'd also suggest knowing at least two, preferably three, ways to find the area of a triangle. They save you quite a bit of time. Which three? You pick. There are many, some common, some incredibly obscure.

fignewton

Note however that trig is not required for the SAT (unlike the ACT, where you will get about 4 basic trig questions). The "special right triangles" given on the SAT are all you need as far as "trig" questions go. If you haven't had trigonometry before taking the SAT it probably doesn't make sense to try to learn it just for the test.

shree333

whom u r waiting 4