1.

tan(theta)/(sec(theta) - 1)=(tan(theta) %2B sec(theta) %2B 1)/(tan(theta) %2B sec(theta) - 1)

Answer»

So we can write it assec -1/ tan = tan + sec-1/tan +sec+1 tonow

As tan/sec-1= 1+sin a/cosa



Discussion

No Comment Found