1.

Which among the following is true for the curve rn = a sin⁡nθ?

A. Given family of curve is Self orthogonal
B. Orthogonal trajectory is rn=k cos⁡nθ where k is an constant
C. Orthogonal trajectory is rn=k cosec⁡nθ where k is an constant
D. Orthogonal trajectory is rn=k sin⁡nθ where k is an constant
Answer» C. Orthogonal trajectory is rn=k cosec⁡nθ where k is an constant


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