A) \[0\]
B) \[1\]
C) \[2\]
D) \[-1\]
Correct Answer: D
Solution :
\[\frac{{{\tan }^{2}}45{}^\circ -1}{{{\tan }^{2}}45{}^\circ +1}=\frac{{{(1)}^{2}}-1}{{{1}^{2}}+1}=\frac{0}{2}=0\] |
So, option [a] is correct. |
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