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kogti [31]
4 years ago
7

Vector v has a direction of (-5,26). Find the direction angle for v.

Mathematics
1 answer:
MAVERICK [17]4 years ago
7 0
Since you are trying to find the direction you have to use

tan theta= y/x

tan theta= 26/-5 

theta= tan^-1I26/-5I
theta= 79.11 degrees but since (-5,26) is found in the second quadrant you have to substract 180 - a to obtain the direction angle

theta= 180 -a 
        =180 - 79.11

theta = 100.88 degrees

vector v has a direction angle of 100.88 degrees

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