Write the expression in terms of sines and/or cosines, and then simplify.sec ? + csc ?
A. 
B. 
C. cos ? - sin ?
D. 
Answer: D
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Solve.Find the sum of the first 16 terms of the series 
A. -1768 B. -288 C. -112 D. -56
Subtract.-19 - (-12)
A. -31 B. 7 C. -7 D. 31
Distribute. Write the answer in descending order.-1(-5n3 + 9n - 6n2)
A. 5n3 - 6n2 + 9n B. 5n3 + 6n2 - 9n C. -5n3 - 6n2 + 9n D. -5n3 + 6n2 - 9n
Answer the question.How can the graph of f(x) = 0.2(x + 1)2 - 4 be obtained from the graph of y = x2?
A. Shift it horizontally 1 units to the right. Shrink it vertically by a factor of 0.2. Shift it 4 units up. B. Shift it horizontally 1 units to the left. Shrink it vertically by a factor of 0.2. Shift it 4 units down. C. Shift it horizontally 1 units to the left. Shrink it horizontally by a factor of 0.2. Shift it 4 units down. D. Shift it horizontally 4 units to the left. Stretch it vertically by a factor of 4. Shift it 1 units down.