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11. [5.56/8.33 Points] DETAILS PREVIOUS ANSWERS SESSCALCET2 10.2.034. MY NOTES (a) Find the unit vectors that are parallel to the tangent line to the curve $y = 8 sin x$ at the point $(frac{pi}{6}, 4)$. (Enter your answer as a comma-separated list of vectors.) $frac{1}{7} left< 1, frac{8sqrt{3}}{2} ight>, -frac{1}{7} left< 1, frac{8sqrt{3}}{2} ight>$ (b) Find the unit vectors that are perpendicular to the tangent line.

          11. [5.56/8.33 Points]
DETAILS
PREVIOUS ANSWERS
SESSCALCET2 10.2.034.
MY NOTES
(a) Find the unit vectors that are parallel to the tangent line to the curve $y = 8 sin x$ at the point $(frac{pi}{6}, 4)$. (Enter your answer as a comma-separated list
of vectors.)
$frac{1}{7} left< 1, frac{8sqrt{3}}{2} 
ight>, -frac{1}{7} left< 1, frac{8sqrt{3}}{2} 
ight>$
(b) Find the unit vectors that are perpendicular to the tangent line.

$11. [5.56/8.33 Points] DETAILS PREVIOUS ANSWERS SESSCALCET2 10.2.034. MY NOTES (a) Find the unit vectors that are parallel to the tangent line to the curve y = 8 sin x at the point (fracpi6, 4). (Enter your answer as a comma-separated list of vectors.) frac17 left< 1, frac8sqrt32 ight>, -frac17 left< 1, frac8sqrt32 ight> (b) Find the unit vectors that are perpendicular to the tangent line.$

Added by Samantha B.

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