45. The value of the de determinant...
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45. The value of the de determinant I a? a 11 cos(nx) cos (n + 1)x cos(n + 2)x is independent of sin (na) sin (n + 1x sin(n + 2)x (a) n o bogidde (b) alolevad 8€ (c) x (d) None of these

JEE/Engineering Exams
Maths
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Ans is independent of ( n ) ( u(a) n )
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