Solved

Determine the Value of Cos T When T = -7π $\frac { \sqrt { 2 } } { 2 }$

Question 45

Multiple Choice

Determine the value of cos t when t = -7π.

A) -1
B) -2
C) 1
D) $\frac { \sqrt { 2 } } { 2 }$
E) none of these

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