SOLUTION: Please Help Please help me Solve the following equation for x, if 0 ≤ x ≤ 2π √2cosx=-1 Thanks

SOLUTION: Please Help Please help me Solve the following equation for x, if 0 ≤ x ≤ 2π √2cosx=-1 Thanks

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Question 750048: Please Help
Please help me
Solve the following equation for x, if 0 ≤ x ≤ 2π
√2cosx=-1

Thanks
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
√2cosx=-1

The principle value is
but our angle is negative so that puts our angle in quadrants II and III, meaning our solutions are

or
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