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OpenStudy (ttop0816):
Am i correct?? Find the number of solutions for the given equation for 0° ≤ θ ≤ 360°. sec^2θ = 2 0 1 2 << 3 4
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OpenStudy (superdavesuper):
hmmm nope...2 is not the right answer....
OpenStudy (ttop0816):
then would it be 4??
OpenStudy (superdavesuper):
sec^2(theata)=2 so 1/cos^2(theata)=2 cos^2(theata)=1/2 cos(theat)=+-SQRT(1/2) so how many solutions should there be? :)
OpenStudy (superdavesuper):
bingo!
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