Solve the problem.For what numbers x, 0 ? x ? 2?, does sin x = 1?
A. 
, 
B. 0, 2?
C. 
D. none
Answer: C
Mathematics
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FInd the tangential and normal components of the acceleration.r(t) = (t - 7)i + (ln(sec t) - 1)j + 2k, -?/2 < t < ?/2
A. a = (cos t)T + (cos t)N B. a = (csc t)T + (sec t)N C. a = (sec t tan t)T + (sec t)N D. a = (sec2 t)T + (cos t)N
Mathematics
Find the area.Find the area under y = 
in the first quadrant.
A. 
?
B. 3?
C. 6?
D. 12?
Mathematics
Simplify the radical.
A. 
B. 
C. 
D. 
Mathematics
Find the sum.+15 + (-48)
A. -63 B. 63 C. -33 D. -64
Mathematics