In the given figure, the value of \[\frac{1}{\cos e{{s}^{2}}}{{51}^{{}^\circ }}+{{\sin }^{2}}{{90}^{{}^\circ }}+{{\tan }^{2}}{{51}^{{}^\circ }}-\frac{1}{{{\sin }^{2}}{{51}^{{}^\circ }}{{\sec }^{2}}{{39}^{{}^\circ }}}\]is

In the given figure, the value of \[\frac{1}{\cos e{{s}^{2}}}{{51}^{{}

1.	In the given figure, the value of \[\frac{1}{\cos e{{s}^{2}}}{{51}^{{}^\circ }}+{{\sin }^{2}}{{90}^{{}^\circ }}+{{\tan }^{2}}{{51}^{{}^\circ }}-\frac{1}{{{\sin }^{2}}{{51}^{{}^\circ }}{{\sec }^{2}}{{39}^{{}^\circ }}}\]is
A.	\[\sqrt{{{x}^{2}}-1}\]
B.	\[\sqrt{1-{{x}^{2}}}\]
C.	\[{{x}^{2}}-1\]
D.	\[1-{{x}^{2}}\]
Answer» D. \[1-{{x}^{2}}\]

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In the given figure, the value of \[\frac{1}{\cos e{{s}^{2}}}{{51}^{{}^\circ }}+{{\sin }^{2}}{{90}^{{}^\circ }}+{{\tan }^{2}}{{51}^{{}^\circ }}-\frac{1}{{{\sin }^{2}}{{51}^{{}^\circ }}{{\sec }^{2}}{{39}^{{}^\circ }}}\]is

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