2cos2 t + 3cos t +1 = 0
Find all values of t that satisfy the equation.
Mathematics
You might also like to view...
Find the gradient field F of the function f.f(x, y, z) =
A. F = i +
j +
k
B. F = - i -
j -
k
C. F = - i -
j -
k
D. F = i +
j +
k
Mathematics
Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 7x + 3 = 0
A.
B.
C.
D.
Mathematics
Solve the problem.There are currently 57 million cars in a certain country, increasing exponentially by 0.8% annually. How many years will it take for this country to have 64 million cars? Round to the nearest year.
A. 243 yr B. 14 yr C. 5 yr D. 9 yr
Mathematics
Solve the problem.What is the domain of the function f(x) = ?
A. (-?, -9) ? (4, ?) B. [4, ?) C. (-?, -9) ? [4, ?) D. (-?, -9)
Mathematics