Identify the equation as either an identity or not.cos2x - sin2x = 1 - 2 sin2x
A. Identity
B. Not an identity
Answer: A
Mathematics
You might also like to view...
Use the fact that the given triangles are similar to find the value of x.
A. 6 B. 18 C. 20 D. 24
Mathematics
Provide an appropriate response.True or false? i3 = -i
A. True B. False
Mathematics
Use a graphing calculator to approximate the real zeros of the function defined by f(x). Express decimal approximations to the nearest hundredth.f(x) = 3x4 + 6x3 - 3x2 +3x + 1
A. -5.06, 0.25 B. No real solution C. -2.53, -0.25 D. 0.25
Mathematics
Solve the problem.If a graph is symmetric with respect to the y-axis and it contains the point (5, -6), which of the following points is also on the graph?
A. (-6, 5) B. (-5, -6) C. (-5, 6) D. (5, -6)
Mathematics