given that \overrightarrow P+\overrightarrow Q = \overrightarrow R an – InterviewSolution

1.	given that \overrightarrow P+\overrightarrow Q = \overrightarrow R and P+Q=R. The angle between \overrightarrow P & \overrightarrow{Q }is
Answer» given that \overrightarrow P+\overrightarrow Q = \overrightarrow R and P+Q=R. The angle between \overrightarrow P & \overrightarrow{Q }is

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