SOLUTION: need help!
Solve for all values of theta over the interval [0°,360°]
Cotx secx + cotx = 0
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Question 857641: need help!
Solve for all values of theta over the interval [0°,360°]
Cotx secx + cotx = 0
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Solve for all values of theta over the interval [0°,360°]
Cotx secx + cotx = 0
***
cotx(secx+1)=0
cotx=1/tanx=0
tanx=1/0=undefined
..
secx+1=0
1/cosx=-1
cosx=1/-1=-1
x=180˚
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