sqrt(b) left parenthesis, cos left parenthesis, StartFraction, "t" Over 2 , EndFraction , right parenthesis , sin left parenthesis, StartFraction, "t" Over 2 , EndFraction , right parenthesis , right parenthesiscost2,sint2
Label:
5
ab: left parenthesis, cos left parenthesis, "s" plus "t" , right parenthesis , sin left parenthesis, "s" plus "t" , right parenthesis , right parenthesiscoss+t,sins+t
Label:
6
sqrt(a) sqrt(b) left parenthesis, cos left parenthesis, StartFraction, "s" plus "t" Over 2 , EndFraction , right parenthesis , sin left parenthesis, StartFraction, "s" plus "t" Over 2 , EndFraction , right parenthesis , right parenthesiscoss+t2,sins+t2