Combine
itbpF50.75pt21.75pt6ptex3.wmf
Combine
sin
x
cos
y
+
cos
x
sin
y
itbpF50.75pt21.75pt6ptex3.wmf
Combine the powers of
10
x
10
y
itbpF50.75pt21.75pt6ptex3.wmf
Combine
log
x
+
log
y
Combine the terms in these expressions