Question

please help me out

Answer 1

set the argument of sin to 0

Answer 2

The sin of 0 is 0 so set the argument = to 0 and solve.

Answer 3

.6x-2 = 0
.6x = 2
x= 3 and 1/3

Answer 4

ok?

Answer 5

the answer is 3?

Answer 6

3.333...

Answer 7

im doing it online and it tells me that it is wrong :(

Answer 8

oh never mind i got you :)

Answer 9

how can i solve the equation 2cosx-4sinxcosx=0?

Answer 10

Factor out cosx

Answer 11

Or better yet factor out 2 cosx

Answer 12

can i subtract the 2?

Answer 13

or divide!

Answer 14

No. It is a factor.

Answer 15

\[2cosx(1-2sinx)=0\]

Answer 16

Now set each factor to 0 and solve.

Answer 17

\[2\cos x=0 and
1-2\sin x=0\]

Answer 18

oooh i was confused thinking that i had to solve for x

Answer 19

\[\cos x=0, x=\frac{\pi}{2}, \frac{3\pi}{2}\]

Answer 20

5pi/6?

Answer 21

\[\sin x=\frac{1}{2}, x = \frac{\pi}{6},\frac{5\pi}{6}\]

Answer 22

Those are the solutions between 0 and 2 pi. I don't know what your directions say about the number of solutions required.

Answer 23

thank youuu can you help me out with this one?

Answer 24

Did you graph it on your graphing calculator?

Answer 25

i dont have one :( that is why im struggling so much with this homework!

Answer 26

Did you know that there are free ones online?

Answer 27

no

Answer 28

So i graphed it but I don't know what the question is.

Answer 29

we have to describe the results

Answer 30

these are the options

Answer 31

Describe the result it says. so It is a parabola that is concave downward and whose vertex is (92/15,807/250)

Answer 32

It says to graph f and g but I don't see a g anywhere.

Answer 33

g(X)=-0.45x^2+5.52x-13.70

Answer 34

Oh yes. That is g. Where is f?

Answer 35

f(X)=3sin(0.6-2)

Answer 36

at x=5

Answer 37

?

Answer 38

For 3.5 to 6 the approximation is pretty good. Meaning that the graphs are close to each other in that interval.

Answer 39

so using that formula to find the zeros of g in the interval 0,6 i got 3.455, 8.811 is that correct?

Answer 40

But the second one (8.811) is not in the interval.

Answer 41

so it would be only 3.455

Answer 42

If the question is what is the 0 of the function. I didn't see that question anywhere.

Answer 43

the questions says , use the quadratic formula to find the zeros of g in the interval 0,6

Answer 44

Then there is only the one zero in that interval.

Answer 45

meaning...

Answer 46

The zero of g in the interval (0,6) is 3.455

Answer 47

alright thank you so much for your help!

Answer 48

yw