If sin 
and lies in the second quadrant, find the value of secx + tanx.
Given sinx = 12/13 andx lies in the second quadrant.
In second quadrant, sinx and cosecx are positive and all other ratios are negative.
We know that 
We know that tanx = sinx /cosx and secx = 1/cosx
⇒ 
⇒ 
∴ 
2