Use the fundamental identities to simplify the expression.sin2? + tan2? + cos2?
A. cos3?
B. sin ?
C. tan2?
D. sec2?
Answer: D
Mathematics
You might also like to view...
Suppose the point (2, 4) is on the graph of y = f(x). Find a point on the graph of the given function.The reflection of the graph of y = f(x) across the y-axis
A. (-2, -4) B. (-2, 4) C. (2, 4) D. (2, -4)
Mathematics
Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. y ? x + 2 y ? 2x + 5 B. y ? -x + 2 y ? -2x + 5 C. y ? x + 2 y ? 2x + 5 D. y ? -x + 2 y ? -2x + 5
Mathematics
Use the dot product to find 
.v = 
A. -4
B. -6
C. 2
D. 
Mathematics
Solve the problem.If a rocket is propelled upward from ground level, its height in meters after t seconds is given by 
During what interval of time will the rocket be higher than 411.6 m?
A. 6 < t < 7 B. 0 < t < 6 C. 12 < t < 13 D. 7 < t < 12
Mathematics