A.  8cos θ.sin7 θ,-sin9 θ

B.  8cos θ.sin7 θ,sin9 θ

C.  -8cos θ.sin7 θ,-sin9 θ

D.  -8cos θ.sin7 θ,sin9 θ

1
Correct Answer :
-8cos θ.sin7 θ,sin9 θ
Explanation :
No Explanation available for this question

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