Find the exact value of the sum.sin 
+ sin 
A. 
B. 
C. 1
D. 0
Answer: D
Mathematics
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Find the parametric equations for the line tangent to the curve at the given point.r(t) = 
at t = 1
A. x = 1 + 8t, y = -6 - 6t, z = 2 + 6t B. x = 1 + t, y = -6, z = 2 + t C. x = 8 + 8t, y =-6 - 6t, z = 7 + 6t D. x =8 + t, y = -6 - 6t, z = 6 + 2t
Mathematics
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(-6, -17), (-17, 14), (1, 4)}
A. Not one-to-one B. {(-17, -6), (14, -17), (4, 1)} C. {(-6, 14), (-6, -17), (4, 1)} D. {(-17, -6), (1, -17), (4, 14)}
Mathematics
Evaluate the expression.4! ? 2
A. 26 B. 8 C. 40,320 D. 48
Mathematics
Find the LCM of the given polynomials.x2 + 3x - 4, x2 + 7x + 12
A. (x + 1)(x - 4)(x + 3) B. (x - 1)(x + 4)(x + 3) C. (x - 1)(x + 4) D. (x + 4)(x + 3)
Mathematics