Use a sum or difference identity to find the exact value.sin 10° cos 50° + cos 10° sin 50°
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Provide an appropriate response.Find integers m and n such that mn = 15 and m + n = 8.
A. 5, 8 B. -5, 3 C. 5, 3 D. -5, -3
Mathematics
Find the length of the curve.x = cos 2t, y = sin 2t, 0 ? t ? 2?
A. 6? B. ? C. 4? D. 2?
Mathematics
Find the derivative of y with respect to x, t, or ?, as appropriate.y = x6ln x - 
x3
A. 7x5 - x2 B. 6x5 - x2 C. x6ln x - x2 + 6x5 D. x5 - x2 + 6x5ln x
Mathematics
Solve the inequality.For the function h(x) = 
, solve h(x) < 0.
A. (-?, 0) ? (2, 6) B. (-?, 2) ? (6, ?) C. [2, 6] D. (-?, 2] ? [6, ?)
Mathematics