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HC Verma VECTORS
question 12
I dont know how i can draw the fig, so if someone has the book...
Im confused bout the first part
How do you find the angles with x-axis made by the different vectors. Ans isnt even in HCV solutions.
Please explain
Hi Shayan,
Angle made by any vector A with x-axis is
cos-1[(A.i)/|A|] -------- read it as "inverseCos{ (A dot i)/ModA }"
ModA is magnitude of A.
Regards,
Ashwin (IIT Madras).
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