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Find the complete solution of each equation. Express your answer in degrees.
sec^2 θ+sec θ=0
2 cos^2 θ+1=0
cot θ=cot^2 θ
sin^2 θ+5 sin θ=0

  • Algebra -

    sec (sec+1)=0
    theta= arcsec0 and theta=arcsec-1

    I will be happy to critique your work on the others. Are you certain you copied the second one correctly?

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