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Find the value of theta(0,pi//2) for wh...

Find the value of `theta(0,pi//2)` for which vectors ` vec a=(sintheta) hat i+(costheta) hat j a n d\ vec b= hat i-sqrt(3) hat j+2 hat k` are perpendicular.

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RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
  1. Writhe the component of vec b along vec adot

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  2. Writhe the value of ( vec adot hat i) hat i+( vec adot hat j) hat j+( ...

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  3. Find the value of theta(0,pi//2) for which vectors vec a=(sintheta) ...

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  4. Write the projection of hat i+ hat j+ hat k along the vector hat jdo...

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  5. Writhe a vector satisfying vec adot hat i= vec adot( hat i+ hat j)= v...

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  6. Find dy/dx if y=e^(3x)

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  7. If vec a\ a n d\ vec b\ a n d\ vec c are mutually perpendicular uni...

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  8. If vec a\ a n d\ vec b are mutually perpendicular unit vectors, writ...

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  9. Find the angle between the vectors vec a= hat i- hat j+ hat k\ a n ...

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  10. For what value of lambda are the vector vec a=2 hat i+lambda hat j+ h...

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  11. Write the value of p for which vec a=3 hat i+2 hat j+9 hat k\ a n d\ ...

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  12. Find the value of lambdadot If the vectors 2 hat i+lambda hat j+3 hat ...

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  13. If | vec a|=2,\ | vec b|=3\ a n d\ vec adot vec b=3 find the projecti...

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  14. Writhe the angle between two vectors vec a\ a n d\ vec b"\ " with ma...

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  15. Write the projection of the vector hat i+3 hat j+7 hat k on the vecto...

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  16. Find lambda, when the projection of vec a=lambda hat i+ hat j+4 hat k...

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  17. For what value of lambda are the vectores vec a=2 hat i+lambda hat j+...

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  18. Writhe the projection of the vector 7 hat i+ hat j-4 hat k on the vect...

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  19. Write the value of lambda so that the vector vec a=2 hat i+lambda hat...

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  20. Write the projection of vec b+ vec c\ on\ vec a , when vec a=2 hat ...

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