SOLUTION: I need to find all solution to the problem 7 cosx + 1 = 0
Algebra.Com
Question 919219: I need to find all solution to the problem 7 cosx + 1 = 0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
find all solution to the problem 7 cosx + 1 = 0
--------------------
cos(x) = -1/7
----
x = arccos(-1/7) = 98.21 degrees or 261.79 degrees
--------------------
Cheers,
Stan H.
--------------
RELATED QUESTIONS
I need help finding the solutions for this question. Find all solutions in the interval... (answered by lwsshak3)
I have one more question, my teacher told me that I need to factor the following problem... (answered by josgarithmetic)
Find all the solutions to the equation cosx = -1.
(answered by Nate)
Can you please help me to solve this problem. The question reads; Find all solutions of... (answered by Fombitz)
Find all solutions to the equation.
2 cosx + 1 = 0
If you could please show all... (answered by Alan3354)
I need help on what to do with this problem:
{{{if sinx=1/2 and cosx=sqrt 3 over 2,... (answered by stanbon)
I need to find the solution for h. the problem is 2h^2 - h - 3 = 0 (answered by stanbon)
\Find the general solution:
cosx*tanx -cosx=0... (answered by lwsshak3)
Find all the solution of the equation in the interval (0,2pi)
sec^2x-1=0
&... (answered by lwsshak3)