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