1.

If cos 9α = sin α and 9α < 90° then the value of tan 5α is(a) 13(b) 3(c) 1(d) 0

Answer» If cos 9α = sin α and 9α < 90° then the value of tan 5α is



(a) 13



(b) 3



(c) 1



(d) 0


Discussion

No Comment Found