Find d2y/dx2 without eliminating the parameter.x = 1 - 10sin t, y = 1 + 9cos t, t ? n?
A. - 
sec t
B. - 
sec3t
C. 
cot t
D. - 
sec3t
Answer: B
You might also like to view...
If 
denotes the profit earned from an investment of I dollars, then 
represents the marginal profit.
Answer the following statement true (T) or false (F)
Perform the indicated operations.(5 + p)2
A. 25p2 + 10p + 25 B. p + 25 C. p2 + 25 D. p2 + 10p + 25
Solve.A tree casts a shadow 45 m long. At the same time, the shadow cast by a 47-cm tall statue is 68 cm long. Find the height of the tree. Round results to the nearest unit.
A. 31 m B. 64 m C. 30 m D. 65 m
Find the indicated quantities for the appropriate arithmetic sequence.A man earned $3000 the first year he worked. If he received a raise of $500 at the end of each year, what was his salary during the 15th year?
A. $7000 B. None of these C. $10,500 D. $10,000