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If (cos alpha, cos beta) are the new coo...

If `(cos alpha, cos beta)` are the new coordinats of a point P when the axes are translated to the point (1,1) then the original coordinates of P are

A

`(2 cos^(2)alpha//2, 2 cos^(2)beta//2)`

B

`(2 sin^(2) alpha//2, 2 sin^(2)beta//2)`

C

`(2 cos alpha//2, 2 cos beta//2)`

D

`(2 sin alpha//2, 2 sin beta//2)`

Text Solution

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-TRANSFORMATION OF AXES -EXCERSIE 1
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  2. If (7,5) are the coordinates of a point P in the new systems when the ...

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  3. If (cos alpha, cos beta) are the new coordinats of a point P when the ...

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  4. If the point (3,-2) is transformed to (-2,1) which the origin is shift...

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  5. The point to which the origin should be shifted in order to eliminate ...

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  6. The point to which the origin should be shifted in order to eliminate...

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  7. The point to which the origin should be shifted in order to eliminate ...

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  8. In order to eliminate the first degrees terms from the equation 2x^(2)...

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  9. The point to which the origin should be shifted in order to eliminate ...

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  10. The point to which the origin should be shifted in order to eliminate ...

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  11. If the origin is shifted to the point (2,-2), the equation to which th...

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  12. If the equation x^(2) + y^(2) - 4x - 6y-12=0 is transformed to x^(2) +...

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  13. The point to which the axes are to translated to eliminate y term and ...

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  14. If the axes are translated to the circumcenter of the triangle formed ...

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  15. The transformed equation of xy+2x - 5y -11=0 when the origin is shifte...

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  16. The transformed equation of x^(2) + 3y^(2) +4x+ 18y + 30=0 when the ax...

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  17. The transformed equation of 4x^(2) + 9y^(2) - 8x + 36y+4=0 when the ax...

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  18. The transformed equation of 2x^(2) + 4xy+ 5y^(2) - 4x - 22y+7=0 when t...

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  19. The transformed equation of 5x^(2) + 4xy + 8y^(2) - 12x - 12y =0 when ...

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  20. If the first degree terms of x^(2) + 4xy+y^2 - 2x + 2y-6=0 are elimina...

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