Find the unit tangent and unit normal vectors 
for the curve C defined by 
Sketch the graph of C 
Definitions:
Sex Characteristics
The traits that distinguish the biological sexes of male and female, including primary characteristics like reproductive organs and secondary characteristics like body hair distribution.
Menstrual Period
The monthly discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina.
Circadian Rhythm
The internal biological clock that regulates the sleep-wake cycle, repeating roughly every 24 hours, influencing various physiological processes.
Seminal Fluid
A fluid that is secreted by the male reproductive organs and contains sperm cells, which are necessary for fertilization.
Q38: Use spherical coordinates to evaluate <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8680/.jpg"
Q58: Find the area of the surface S
Q81: Find the Maclaurin series for f (x)
Q96: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8680/.jpg" alt="Let and
Q101: Suppose (1, 1) is a critical point
Q101: Calculate the angle between a and b
Q122: Sketch the graph of the function <img
Q132: Sketch the curve of the vector function
Q143: The following table gives coordinates of a
Q159: Approximate the sum to the indicated accuracy.