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2cos^(2)theta-sin theta+1=0quad [0^(@)<t...

2cos^(2)theta-sin theta+1=0quad [0^(@)

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Prove that 1-cos^(2)theta-sin^(2)theta=0

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cos^(2)theta-sin theta*cos theta-(1)/(2)=0

cos^(2)theta-sin theta*cos theta-(1)/(2)=0

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Solve for theta,2 cos^2 theta+sin theta-1=0,0 le theta le pi/2

The value of theta lying between 0 and (pi)/(2), and satisfying ,,1+sin^(2)theta,cos^(2)theta,4sin4 thetasin^(2)theta,1+cos^(2)theta,4sin4 thetasin^(2)theta,cos^(2)theta,1+4sin4 theta]|=0

If |[1+sin^(2)theta,cos^(2)theta,4sin4theta],[sin^(2)theta, 1+cos^(2)theta,4sin4theta],[sin^(2)theta,cos^(2)theta, 1+4sin4theta]|=0 , then the value of theta is