Question

Find the exact values below. If applicable, click on "Undefined".

Answer 1

\[\tan \left(\begin{matrix}5\pi \\ 4\end{matrix}\right) \] and \[\csc \left(\begin{matrix}5\pi \\ 4\end{matrix}\right) \]

solve both of them

Answer 2

I shall give you a medal if you can help *flutters eyelashes*

Answer 3

pwetty please????

Answer 4

use the online calculator here: http://mathway.com/ may be?

Answer 5

hmm..... that might not work cause i'm not suppose to use a calculator

Answer 6

:O how are u gonna calculate tan n csc w no calculator?!

Answer 7

theres a formula it's pre calculus lol

Answer 8

what formula? tan(x) = sin(x) / cos(x) is not going to help...

Answer 9

no I don't know where's @Luigi0210 when i need him O.o

Answer 10

you want a unit circle here.

Answer 11

lol i was wondering who the invisible person was lol xD

Answer 12

http://www.mathsisfun.com/geometry/images/circle-unit-304560.gif
divide sin by cos to get tan.

Answer 13

take 1/sin to get csc

Answer 14

uh oh that's in degrees

Answer 15

The cake is a lie.

Answer 16

http://www.mathsisfun.com/geometry/images/circle-unit-radians.gif ,
there, all better

Answer 17

@Taylor<3sRin the cake is not a lie and I"m going to burn your house down with the lemons.

Answer 18

To bad my house is lemon fire proof, try another citrus I DARE YOU.

Answer 19

huh? what the shizz... anyways inky what about tan and csc? do i transfom them into another "thing" lol

Answer 20

ok.
tell me what sin(5pi/4) and cos(5pi/4) are according to the chart I gave you. (it's in cos x, sin x)

Answer 21

they are both \[\frac{ -\sqrt{2} }{ 2 }\]

Answer 22

so if tan x=sin x/cos x

Answer 23

what is tan(5pi/4)

Answer 24

oh...
but what does csc mean?

Answer 25

thats confusing it would equal 1?

Answer 26

\[\large \tan(\frac{5\pi}{4})=\frac{\sin(\frac{5\pi}{4})}{\cos(\frac{5\pi}{4})}\]
you can look this up on the unit circle

Answer 27

the first one equals 1 and csc means cosecant or 1/secant

Answer 28

2825 fans :O

Answer 29

find \(\frac{5\pi}{4}\)on the unit circle of the attached cheat sheet, which would be good to save
the first coordinate on the circle is cosine, the second coordinate is sine

Answer 30

what is the formula for csc?

Answer 31

you should see that both coordinates are \(-\frac{\sqrt2}{2}\) so the ration of those two numbers is \(1\)

Answer 32

cosecant is the reciprocal of sine

Answer 33

yes I have that as my answer for tan

Answer 34

not cos, csc

Answer 35

its 1/sine

Answer 36

since \(\sin(\frac{5\pi}{4})=-\frac{\sqrt2}{2}\) you have
\[\csc(\frac{5\pi}{4})=-\frac{2}{\sqrt2}\]

Answer 37

oh.... that makes since

Answer 38

you should rationalize the denominator by multipying top and bottom by \(\sqrt2\) and get
\[\csc(\frac{5\pi}{4})=-\sqrt2\]

Answer 39

its 2/sqrt2 or -1.4142

Answer 40

thank you guys! I think I got it! :-)

Answer 41

yw
make sure to save that cheat sheet, it will come in very handy

Answer 42

lol ok I will!

Answer 43

if you lose it, google "paul's notes"
there are lots of good cheat sheets on his site (i am not paul)

Answer 44

lol

Answer 45

good for your next course too, whatever that may be
lots of pre-calc and calc worked out examples and cheat sheets for both

Answer 46

sweet I wont forget this!

Answer 47

good luck!