Answers

2014-10-26T14:15:03+05:30
Here is a little logic
sinc.cosc.tanc+cos^2c.sina
=sinc.cosc.sinc/cosc+cos^2.sina
=sin^2c+cos^2c.sina
=sin^2c+cos^2c.sin90
=sin^2c+cos^2c(1)
=sin^2c+cos^2c
=1
this is the perfect answer
0
YOU HAVE TO FIND AC ONLY THEN U CAN SOLVE THE PROBLEM