Verify the identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?
What will be an ideal response?
sin(? - ?) cos (? + ?) = (sin ? cos ? - cos ? sin ?)(cos ? cos ? - sin ? sin ?) 
= sin ? cos ? - sin ? cos ?
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
A. 1.00 × 10-11 B. 1.11 × 10-10 C. 9.09 × 10-13 D. 8.33 × 10-14
Find the annual liability premium for the coverage.A person's youthful-operator factor is 1.75. The annual premium for liability coverage is $207.30 for bodily injury and $174.90 for property damage.
A. $670.60 B. $668.85 C. $686.35 D. $382.20
Find all the zeros of the polynomial function.P(x) = 3x4 - 15x3 + 30x2 - 60x + 72
A. 1, 3, -4i, 4i B. - 2, -3, -2i, 2i C. 2, 3, -2i, 2i D. 2, 3, -i, i
Solve.A bag contains 7 red marbles, 4 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 
B. 
C. 
D. 8