Question
Sat July 21, 2012 By:

q. no. 1

Expert Reply
Sun July 22, 2012
tan245 -cos230 = x sin 45 cos 45 
1 - (root 3/ 2)2 = x (1/ root 2) (1/ root2)
1 - (3/ 4) = x (1/ 2)
1/4 = x/2
x = 1/2
Related Questions
Home Work Help