The Exact Length of the Parametric Curve $x = e ^ { t } \cos t , y = e ^ { t } \sin t , 0 \leq t \leq \frac { \pi } { 7 }$

question 93

True/False

The exact length of the parametric curve $x = e ^ { t } \cos t , y = e ^ { t } \sin t , 0 \leq t \leq \frac { \pi } { 7 }$ is $\sqrt { 2 } e ^ { x / 7 }$ .

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Unfriendly Witnesses

Individuals called to testify in a legal setting who are either unwilling or hostile, making their testimonies potentially difficult to obtain or unreliable.

Motion Picture Association of America (MPAA)

Since the mid-1940s, the film industry’s principal trade organization. See also Motion Picture Producers and Distributors of America.

Hollywood Ten

A group of film directors and screenwriters who were blacklisted in Hollywood during the late 1940s and 1950s because of their alleged communist ties or sympathies.

Blacklist

The industry-wide purge of alleged Communist influence between 1947 and 1959. All told, about three hundred writers, directors, producers, and actors were rendered unemployable following accusations regarding their political and/or union affiliations.