Question

Trig help...again :)

Answer 1

What values for \(\theta~(0\le\theta\le2\pi)\) satisfy the equation?\[cos\theta-tan\theta \cos\theta=0\]

Answer 2

tan is the same as sin/cos

Answer 3

(sin/cos)cos simplifies to what

Answer 4

sin

Answer 5

correct

Answer 6

so we have cos - sin = 0

Answer 7

ah hah

Answer 8

Still not completely positive on how to finish it....

Answer 9

http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Unit_circle_angles_color.svg/1024px-Unit_circle_angles_color.svg.png

Answer 10

us the unit circle

Answer 11

*use

Answer 12

Okay...

Answer 13

Wait...do I find where each equal 0? O.o

Answer 14

nope

Answer 15

find where they are both equal to the same thing

Answer 16

Ah one sec

Answer 17

Well, 45 and 225

Answer 18

Are those the only 2?

Answer 19

keep it in radians

Answer 20

Oh, sorry. \[\frac{\pi}{4}\] and \[\frac{5\pi}{4}\]

Answer 21

That's right

Answer 22

Okay! That it?

Answer 23

sure is

Answer 24

Thank you very much :)

Answer 25

no problem