Solve the problem.A rotating beacon is located a distance d from a long wall. The distance d is given byd = 4 tan 2?t,where t is the time measured in seconds since the beacon started rotating. Solve the equation for t.
A. t = 
tan 
B. t = 2? arctan 
C. t = 
arctan 
D. t = 2? tan 
Answer: C
Mathematics
You might also like to view...
Write the number in expanded form.7,000
A. (7 ? 103) + (0 ? 102) + (0 ? 101) + (0 ? 100) B. (7 ? 100) + (0 ? 101) + (0 ? 102) + (0 ? 103) C. (7 ? 104) + (0 ? 103) + (0 ? 102) + (0 ? 101) D. (7 ? 101) + (0 ? 102) + (0 ? 103) + (0 ? 104)
Mathematics
Factor the expression completely, if possible.9z3 - 24z2 + 16z
A. (3z2 - 4z)2 B. z(3z - 4)2 C. z2(3z - 4)2 D. z(3z + 4)2
Mathematics
Let f(x) = 8x2 - 5x and g(x) = 7x + 9. Find the composite.g[f(-3)]
A. 7050 B. 618 C. 408 D. 1212
Mathematics
Simplify the expression.-4(2x - 8) - 4x + 7
A. -12x - 25 B. 4x + 39 C. 12x + 39 D. -12x + 39
Mathematics