Choose the expression which is equivalent to the given expression.
A. cot 3°
B. cos 12°
C. tan 12°
D. tan 3°
Answer: A
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Solve the problem.Find the volume generated by revolving the curve y = cos 4x about the x-axis, 0 ? x ? ?/48
A. 
B. 
+ 
C. 
+ 
D. 
+ 
Use mathematical induction to prove that the statement is true for every positive integer n.2 + 5 + 8 + . . . + (3n - 1) = 
What will be an ideal response?
Name the property illustrated.(7 + 2) + 2 = (2 + 7) + 2
A. Distributive property B. Associative property C. Commutative property D. Identity property
Solve.A certain amount of money saved for 1 year at a certain annual interest rate (simple interest) yielded $25.80 in interest. If we had added $86 to the principal and reduced the interest rate by 1 percentage point(s), the interest would have been the same. Find the principal and the rate.
A. $7.00, 6% B. $8.67, 9% C. $7.00, 5% D. $430.00, 6%