PDA

View Full Version : Question


MP123
05-20-2007, 04:01 PM
I'm doing identities in math. What does sine, cosine, tangent, cosecant, secant, and cotangent equal?

jballa838
05-20-2007, 04:06 PM
I'm doing identities in math. What does sine, cosine, tangent, cosecant, secant, and cotangent equal?

hard math.

ny10804
05-20-2007, 04:07 PM
Look in your textbook.

UKfan
05-20-2007, 04:08 PM
http://en.wikipedia.org/wiki/List_of_trigonometric_identities

Enjoy

MP123
05-20-2007, 04:26 PM
Look in your textbook.

I did. I doesn't have them.

volman88
05-20-2007, 04:54 PM
tan=sin/cos
cot=cos/sin
sin=1/csc
csc=1/sin
cos=1/sec
sec=1/cos
tan=1/cot
cot=1/tan
sin^2+cos^2=1
and theres a few more

volman88
05-20-2007, 04:55 PM
We did these this year and it has dropped me from a solid b to a low c

Moses
05-20-2007, 05:32 PM
We did these this year and it has dropped me from a solid b to a low c

Aren't those taught in like grade 8 or 9?

princefielder28
05-20-2007, 05:34 PM
I could help you, I'm in college Calculus as a HS Senior

remix 6
05-20-2007, 05:37 PM
I'm doing identities in math. What does sine, cosine, tangent, cosecant, secant, and cotangent equal?

Sin is Opposite divided by Hypotinus(spelling) ( the longest side)

COS is Adjacent divded by Hyp.

TAN is Opposite divided by Adjacent

you set it up in calculator like: (press) TAN ..put in the degree angle and do the same for us..COS(Angle degree), TAN (degree angle)

with that #, you do: (answer you got from the calculator) divided by 1, set that equal to the thing i put above (Opposite/Hyp or w.e your using). .. cross multiply and you got the answer

Secant is a line going through circle..tangent is where a line meets the end of circle

http://mathworld.wolfram.com/images/eps-gif/TangentLine_1000.gif

damn thats going back awhile. thats all i got. hope its good

volman88
05-20-2007, 06:22 PM
Aren't those taught in like grade 8 or 9?

No, I am in calc A and we did them

draftguru151
05-20-2007, 06:39 PM
No, I am in calc A and we did them

You learn the trig functions long before calc, like in geometry.

Vilma the Animal
05-20-2007, 07:35 PM
You learn the trig functions long before calc, like in geometry.

Yep, I think I learned them in 8th grade. Although we go over them basically every year. Maybe csc, sec, and cot were in 10th.

Scotty D
05-20-2007, 07:42 PM
I was expecting an Office thread. I'm disappointed.

neko4
05-20-2007, 08:10 PM
im in 9th (geometry) and learned about half that, math isnt my best subject though, but the sin, cosine, and tan parts were pretty easy.

sweetness34
05-20-2007, 08:12 PM
Um you should've done them in Geometry at the latest. We learned the basics in Algebra I at the end of the year but weren't tested on them.

ripdw27
05-20-2007, 08:23 PM
jsut fail the unit... thats what i did in int.1/alg aka frosh math..

Philliez01
05-20-2007, 08:24 PM
I am on the exact same unit right now in Geometry and I have a 77 so I literally have no idea on what I'm doing here. It's probably why my GPA is nearing a 2-flat.

volman88
05-20-2007, 10:22 PM
We did do them in freshmen goemetry, but we just took it alot further this year in calc