SOLUTION: Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.)
100 cos2 x − 25 =
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Question 929107: Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.)
100 cos2 x − 25 = 0
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.)
100 cos2 x − 25 = 0
***
cosx+1=0
cosx=-1
x=3π/2+2πn, n=any integer
or
2cosx-1=0
cosx=1/2
x=π/3+2πn,5π/3+2πn, n=any integer
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