Convert the point from polar coordinates to rectangular coordinates. Round answer to three decimal places, if necessary.
a. ( 1, -1,732 )
b. ( -1, 1,732, 1 )
c. ( 1, 1,732,-1 )
d. ( -1, -1,732 )
e. ( 2, -2,618 )
b. ( -1, 1,732, 1 )
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Find T, N, and B for the given space curve.r(t) = (ln(cos t) + 2)i + 10j + (3 + t )k, -?/2 < t < ?/2
A. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = j B. T = (sin t)i + (cos t)k; N = (cos t)i - (sin t)k; B = -j C. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = -j D. T = (-sin t)i + (cos t)k; N = (-cos t)i - (sin t)k; B = j
Find all cube roots of the complex number. Leave answers in trigonometric form.125
A. 5 cis 90°, 5 cis 210°, 5 cis 330° B. 5 cis 0°, 5 cis 60°, 5 cis 120° C. 5 cis 45°, 5 cis 165°, 5 cis 325° D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Use the power-reducing identities to rewrite the expression that does not contain trigonometric functions of power greater than 1.sin 
cos 
(1 - 2 sin2 x)
A. 
B. 
C. 
D. 
Write the first four terms of the sequence whose general term is given. an = 
A. 
, 
, 
, 
B. 
, 
, 3, 
C. 
, 
, 
, 
D. 
, 
, 
, 