Determine whether the equation is an identity. If it is an identity, prove it.cos2 x - sin2 x = 1 - 2 sin2 x
What will be an ideal response?
The statement is an identity.
cos2 x - sin2 x = 1 - sin2 x - sin2 x = 1 - 2 sin2 x
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Evaluate the line integral along the curve C.
ds , C is the path from (0, 0, 0) to (1, 1, 1) given by:C1: r(t) = ti, 0 ? t ? 1C2: r(t) = i + tj, 0 ? t ? 1C3: r(t) = i + j + tk, 0 ? t ? 1
A. -41 + 5e5 + ln 2 B. -25 + e5 C. -19 + e5 D. -36 + 6e5 + ln 2
Provide an appropriate response.Explain why log213 is between 3 and 4.
What will be an ideal response?
Construct an extended frequency distribution for the set of numbers and calculate the mean of the grouped data. Follow the instructions for class width.Use a class width of 0.10 beginning at 0.00. (Hint: The first class is 0.00 - 0.09.)0.620.920.620.610.270.280.270.270.010.010.790.090.770.270.100.720.610.190.720.270.710.110.260.760.92?????
What will be an ideal response?
Find a polynomial of least degree with only real coefficients and having the given zeros.2 + i, 4
A. f(x) = x3 + 9x2 + 20x + 20 B. f(x) = x3 - 4x2 - (3 - 4i) x + 12 + 16i C. f(x) = x3 + 8x2 + 21x + 20 D. f(x) = x3 - 8x2 + 21x - 20