Question

if sinx = 5/13 then what will be the minimum value of
12 sinx + 5 cosx?​

Answer 1

Answer:

Sinx=5/13

Cosx=12/13

12sinx+5cosx

=13(12/13sinx+5/13cosx)

=13(cosx.sinx+sinx.cosx)

=13(2sinx.cosx)

=13sin2x 0<sin2x<1

Min 13(0)=0