Determine the symmetries of the curve.r = -5 + 5 cos ?
A. x-axis only
B. No symmetry
C. y-axis only
D. Origin only
Answer: A
Mathematics
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Find the focus and directrix of the parabola.y2 = -4x
A. (1, 0); x = -1 B. (-1, 0); x = 1 C. (0, -1); y = 1 D. (-1, 0); y = 1
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Find equations of the normal plane to x = t, y = t², z = t³ at the point (2, 4, 8).
What will be an ideal response?
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Verify the identity.cot3 x = cot x (csc2 x - 1)
What will be an ideal response?
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Find the pair of numbers whose product and sum are given.Product: -16 Sum: -6
A. -16 and 1 B. -8 and 2 C. 16 and -1 D. 8 and -2
Mathematics