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The quadratic equation whose roots are $\sin ^2 18^{\circ}$ and $\cos ^2 36^{\circ}$ is :
\[\begin {array} {1 1} (a)\;16x^2-12x+1=0 & \quad (b)\;16x^2+12x+1=0 \\ (c)\;16x^2-12x-1=0 & \quad (d)\;16x^2+10x+1=0 \end {array}\]
jeemain
eamcet
math
2006
q26
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Nov 6, 2013
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meena.p
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$(a)\;16x^2-12x+1=0$
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Nov 7, 2013
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pady_1
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