Question

find all values of x to the nearest tenth
2secx+10=0
Help please

Answer 1

all values?

Answer 2

yep

Answer 3

\[2\sec(x)+10=0\\
2\sec(x)=-10\\
\sec(x)=-5\\
\cos(x)=-\frac{1}{5}\\
\cos(x)=-.2\] after that you are on your own

Answer 4

what do you do afterwards?

Answer 5

really need help please

Answer 6

take the arccosine with a calculator
that is all i can do

Answer 7

but i think there is more than one answer right?

Answer 8

since it is negative

Answer 9

hey satellite can u fan me so that i can send you some messages where you can possible help me ?

Answer 10

there are an infinite number of answers
are you working in degrees or radians?

Answer 11

between 0 degrees and 360 degrees sorry

Answer 12

ok one answer is this
http://www.wolframalpha.com/input/?i=arccos%28-.2%29

Answer 13

looks like \(101.5^\circ\)

Answer 14

other answer is
\[360^\circ-101.5^\circ\]

Answer 15

Thanks

Answer 16

yw