1.

If \[y=(1+tan\,A)(1-tan\,B),\]where A-B=\[\frac{\pi }{4}\], then \[{{(y+1)}^{y+1}}\]is equal to

A. 9                     
B. 4
C. 27                    
D. 81
Answer» D. 81


Discussion

No Comment Found

Related MCQs