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1. |
Which among the following is true for the curve rn = a sin n ? |
A. | Given family of curve is Self orthogonal |
B. | Orthogonal trajectory is r<sup>n</sup>=k cos u2061n where k is an constant |
C. | Orthogonal trajectory is r<sup>n</sup>=k cosec u2061n where k is an constant |
D. | Orthogonal trajectory is r<sup>n</sup>=k sin u2061n where k is an constant |
Answer» C. Orthogonal trajectory is r<sup>n</sup>=k cosec u2061n where k is an constant | |