Vector math, multivariable calculus intro

Mathematics
Tutor: None Selected Time limit: 1 Day

What are the i j-components of a plane vector A of length 3, if it makes an angle of 30o with i and 60o with j. Is the second condition redundant?

Jul 9th, 2015

Thank you for the opportunity to help you with your question!

niockman.jpg

Technically, the second condition "60o with j" is the same as "30o with i".

See attached for the picture. the i component is ( 3 cos 30 ) i  and j component is = (3 sin 30)j

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 9th, 2015

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