For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (t + 2)i + (ln (sec t) - 4)j + 8k, -?/2 < t < ?/2
A. a = (sec t tan t)T + (sec t)N
B. a = (cos t)T + (cos t)N
C. a = (sec2 t)T + (cos t)N
D. a = (csc t)T + (sec t)N
Answer: A
Mathematics
You might also like to view...
Subtract.92,178 - 5856
A. 86,322 B. 90,322 C. 86,022 D. 94,142
Mathematics
Translate into an equation. Do not solve the equation.What number times three equals twenty-four?
A. x = 3 ? 24 B. 3 + x = 24 C. 3 = 24x D. 3x = 24
Mathematics
Add like terms, if possible, and write the result in descending powers of the variable.7x4 + 2x2 - 4x4
A. 5x10 B. 5x2 C. 3x4 + 2x2 D. Cannot be simplified
Mathematics
What do we call the action plan that is designed to help a company achieve its vision?
A. contingency plan B. forecast C. strategy D. mission
Mathematics