Answers

2014-12-03T18:37:52+05:30
sin 30-sin45*sin45
= \frac{1}{2} - \frac{1}{ \sqrt[2]{2} } * \frac{1}{ \sqrt{2} }
=1/2-1/2
=0
the correct answer is a)0
1 5 1
2014-12-03T18:50:31+05:30
It is 0
sin 30 = 0.5
sin45cos45 =0.5
0.5-0.5 =0
0