(Remember that )
So,
Hello
I have a couple of trig equations which i am having difficulty solving. I was sick for a while before the break and now that its exam review time I don't remember much. BTW this is an assignment due tomorrow, thats why its in urgent help.
Here are the questions
please note the cos x is not under the root
heres how i started solving the first equation =\
therefore
now im kinda stuck. since the question does not give a limit (ie 0 to 2pi) do we need to figure out an equation or something? =\
any help appreciated
thanks
chris
ok i think im understanding how you got the answers,
i changed y back to the original form but how dod you come up with the later part of
like as in why it is pi / 3
and also, do the other answers not work? or did you omit them because you get them the same way or they are redundant?
Hello, Chris!
Here's some help . . .
We have: .
Factor: .
Factor: .
Then we have: .
. . and: .
Therefore: .
This one requires some Olympic-level gymnastics . . . and a few facts:
. . . [1]
. . . [2]
We have: .
Divide by 2: .
From [1], we have: .
From [2], we have: .
Hence: .
Therefore: .
The first problem has about a dozen basic forms.
I'll try to get it straightened out later.
.