(c) Prove that
sin(A - B)
' cos A cos B
sin(B-C) sin(C - A)
cos B cos C 'cos C cos A
+
-
-= 0

x^6

step-by-step explanation:

this is correct because:

x-6=0

0*x=0

so

x^6

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.