MCQOPTIONS
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MCQOPTIONS
| 1. |
The original coordinates of the point in polor coordinates are |
| A. | X’=r cos (Ф +ϴ) and Y’=r cos (Ф +ϴ) |
| B. | X’=r cos (Ф +ϴ) and Y’=r sin (Ф +ϴ) |
| C. | X’=r cos (Ф -ϴ) and Y’=r cos (Ф -ϴ) |
| D. | X’=r cos (Ф +ϴ) and Y’=r sin (Ф -ϴ) |
| Answer» B. X‚Äö√Ñ√∂‚àö√ë‚àö¬•=r cos (‚Äö√Ñ√¨¬¨√ü +‚âà√¨¬¨‚Ä¢) and Y‚Äö√Ñ√∂‚àö√ë‚àö¬•=r sin (‚Äö√Ñ√¨¬¨√ü +‚âà√¨¬¨‚Ä¢) | |