Name:
Anonymous
2007-09-10 6:17
ID:e1RUgZL5
(Sin 60 + cos 60)2
show your work.
Name:
4tran
2007-09-10 7:07
ID:Heaven
>>4
That's an identity, but it's not equal to
>>3
(Sin 60 + cos 60)
2 =
(Sin 60)
2 + (cos 60)
2 + 2 sin 60 cos 60 =
1 + 2 sin 60 cos 60 =
1 + sin 60 =
1 + sqrt(3)/2