Question

Help please!

Answer 1

yes?

Answer 2

what?

Answer 3

that came out wrong i hope

Answer 4

What do you mean?

Answer 5

are sure you typed it out right?

Answer 6

it came out wrong

Answer 7

what class is this

Answer 8

Precal

Answer 9

well have fun with that bye

Answer 10

@SyedMohammed98 @Michele_Laino @perl @freckles @Godlovesme

Answer 11

4 cosx -2 =0 , how do u rewrite it to get cos x in one side ??

Answer 12

Just cosx or 4cosx?

Answer 13

just cosx

Answer 14

4-2=-cosx?

Answer 15

no , 4cosx=2 , okay ??

Answer 16

Okay

Answer 17

then u divide both sides of the equation by 4 , to get ______ ?

Answer 18

cosx=1/2?

Answer 19

super ! u got it

Answer 20

now tell me what r the values of x that satisfy this equation ???

Answer 21

I'm not sure. How do I figure that out?

Answer 22

do u remember that cos(60 degrees) = 1/2 ??

Answer 23

I actually didn't know that

Answer 24

oh..okay then u have to first read , friend

Answer 25

have u taken a trigonometry course ???

Answer 26

This is for my trig/precal course

Answer 27

So x for the first equation is 60? or do we convert degrees into radians?

Answer 28

ya... convert degrees into radians ... 60 deg = ?? rads

Answer 29

1.04719755 radians

Answer 30

okay dont use calculators , 60 deg = pi/3 radian

Answer 31

Is that my answer or do I need to divide it?

Answer 32

thats ur answer , but there is another solution in the range 0<x<=2pi .that is 5pi/3

Answer 33

how do I do the next problem?

Answer 34

@epoweritheta