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If a unit vector vec a makes angle pi//...

If a unit vector ` vec a` makes angle `pi//3` with ` hat i ,pi//4` with ` hat j` and an acute angle `theta` with ` hat k` , then find the components of ` vec a` and the angle `thetadot`

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If a unit vector vec a makes an angle pi/3 with hat i ,\ pi/4 with hat j and an acute angle theta with hat k then find theta and hence, the components of vec a .

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RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
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  8. For any two vectors vec a and vec b , prove that: | vec a+ vec b|...

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  14. Find the angle between two vectors vec a\ a n d\ vec b having the...

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  15. If hat i+ hat j+ hat k ,\ 2 hat i+5 hat j ,\ 3 hat i+2 hat j-3 hat k\...

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  16. Let vec a\ a n d\ vec b be two vectors of the same magnitude such th...

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  17. Find | vec x| if for a unit vector vec a ,\ ( vec x- vec a)dot \ ( ve...

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  18. If vec a=5 hat i- hat j-3 hat k ,\ a n d\ vec b= hat i+3 hat j-5 hat...

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