this question can be solved by putting x= cos in 1 part
Question
Maths
July 22, 2018, 11:08 a.m.
Answer
the number integers which has not perfect square between16^2 and 17^2 is
Maths
July 22, 2018, 10:15 a.m.
Answer
If equation n square -(2 m)n m square -4m 4=0 as coincident roots,then_
how the last step is came????
The perpendicular ad on the base bc of a triangle abc intersects bc at d so that db =3cd