[4:A:B=(1)/(2):(3)/(8),B:C=(1)/(3):(5)/(9)pi R pi C:D=(5)/(6):(3)/(4)vec e},vec pi A:B:C:D=?],[[" (a) "4:6:8:10," (b) "8:6:10:9," (c) "6:8:9:10]]

If A:B=(1)/(2):(3)/(8),B:C=(1)/(3):(5)/(9)backslash and C:D=(5)/(6):(3)/(4) then the ratio A:B:C:D is 4:6:8:10 b.6:8:9:10 c.8:6:10:9 d.6:4:8:10

sin^(-1)((-1)/2) (a) pi/3 (b) -pi/3 (c) pi/6 (d) -pi/6

If A:B=1:2, B:C=3:4 and C:D=5:6, what is the value of A:B:C:D?

If tanA=1/2andtanB=1/3, then: A+B= (a) pi/4 (b) 0 (c) pi (d) pi/6

The value of sin^(-1)(-sqrt(3)/2)\ is: (A) (-pi)/3 (B) (-2pi)/3 (C) (4pi)/3 (D) (5pi)/3

The ratio of A:B=1:3,B:C=2:5,C:D=2:3 . Find the value of A:B:C:D

In which of the following sets the inequality sin^(6)x+cos^(6)x>(5)/(8) holds good? (a) (-(pi)/(3),(pi)/(8))( b) ((3 pi)/(8),(5 pi)/(8))( c) ((pi)/(4),(3 pi)/(4)) (d) ((7 pi)/(8),(9 pi)/(8))