SOLUTION: [(Sqrt2) secx-2](2sinx+1)=0 Find all solutions for this equation with the interval [0, 2pi)
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Question 707588
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[(Sqrt2) secx-2](2sinx+1)=0
Find all solutions for this equation with the interval [0, 2pi)
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lwsshak3(11628)
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[(Sqrt2) secx-2](2sinx+1)=0
Find all solutions for this equation with the interval [0, 2pi)
**
√2secx-2=0
√2secx=2
secx=2/√2
cosx=√2/2
x=π/4, 7π/4 ( In quadrants I and IV where sec and cos>0)