Find the curvature ? and radius of curvature R for the curve at the given point.y = cos x,  

A. ? = , R = 
B. ? = , R = 
C. ? = , R = 
D. k = , R =  

Answer: A

Mathematics

You might also like to view...

Evaluate the cylindrical coordinate integral.

A. 4? B. 80? C. 40? D. 8?

View
Mathematics

Factor completely.m6 - 64

A. (m + 2)(m - 2)( m2 - 2m + 4)2 B. (m - 2)2( m2 + 2m + 4)2 C. (m + 2)(m - 2)( m2 + 2m + 4)( m2 - 2m + 4) D. (m - 2)6 

View
Mathematics

Determine the quadrant containing ?.tan ? > 0 and sec ? > 0

A. I B. II C. III D. IV

View
Mathematics

Write the statement using symbols.The sum of four times x and 5 decreased by 7 is 8.

A. 4(x + 5) - 7 = 8 B. 7 - (4x + 5) = 8 C. 4(x + 5 - 7) = 8 D. 4x + 5 - 7 = 8

View
Mathematics