SOLUTION: Find all solutions of the equation in the interval [0,2pi]. 2cos(theta) + sqrt( 2 ) = 0 Write your answer in radians in term of pi. If there is more than one solution, sep

Algebra.Com
Question 1036273: Find all solutions of the equation in the interval [0,2pi].
2cos(theta) + sqrt( 2 ) = 0

Write your answer in radians in term of pi.
If there is more than one solution, separate them with commas.

Answer by Cromlix(4381)   (Show Source): You can put this solution on YOUR website!
Hi there,
2 cos(θ) + √2 = 0
2 cos(θ) = -√2
cos(θ) = -√2/2
θ = 3π/4 , 5π/4
Hope this helps :-)

RELATED QUESTIONS

Find all solutions of the equation in the interval [0, 2pi). secTHETA + sqrt 2 = 0 (answered by Alan3354)
Find all solutions of the equation in the interval [0,2pi)... (answered by Alan3354)
consider the following equation 2cos(theta)cos(theta) + theta = 0 find all solutions in (answered by Fombitz)
Find all solutions of the equation in the interval {{{([0,2pi)}}}.... (answered by Fombitz)
Find all solutions to the equation. =2cosθ-√3=0 Write your answer in radians (answered by Alan3354,ikleyn)
Find all solutions of the equation in the interval [0, 2pi). -sinx=-cos^2x-1 Write... (answered by Alan3354)
Find all solutions in the interval [0,2pi)... (answered by MathLover1,Theo)
Find all solutions of the equation in the interval [0,2pi) tan(theta)+1=0 Write... (answered by Fombitz)
find all solutions to the equation: sin theta + 1 = 0 write your answer in... (answered by lwsshak3)