Question

i need a little help

Answer 1

Use a graphing calculator to solve the equation in the interval from 0 to 2. Round to the nearest hundredth.

7 cos 2t = 3

Answer 2

i need it step by step to understand it

Answer 3

just type in
7* cos (2x)

and where the graph crosses 3 is your answer. Make sure you in radians. Or degrees depends on what your q asks.

Answer 4

http://www.google.com/search?q=7*+cos+(2x)&rlz=1C1CHFX_enUS470US470&oq=7*+cos+(2x)&sugexp=chrome,mod=1&sourceid=chrome&ie=UTF-8

Answer 5

here it is when i pasted it to google.

Answer 6

i got 6.995735789x

Answer 7

.64 i suppose.

Answer 8

idk about that with google i got .64

Answer 9

what about this one The water level varies from 12 inches at low tide to 52 inches at high tide. Low tide occurs at 9:15 a.m. and high tide occurs at 3:30 p.m. What is a cosine function that models the variation in inches above and below the water level as a function of time in hours since 9:15 a.m.?

Answer 10

use function manipulation

Answer 11

step bu step if you could

Answer 12

ok lets see if we can do this

start with the graph of sin x


Lets see if we can manipluate it.