The following sentences are the steps involved in eliminating `theta` from the equations `x=y tan theta and a = b sectheta`. Arrange them in sequential order from first to last.
A. Substract `((x)/(y))^(2) "from" ((a)/(b))^(2)`
B. `((x)/(y))^(2)_ ((a)/(b))^(2)=1`
C. Taking squares on both the sides
D. Find `((x)/(y))and ((a)/(b))`
(D),(A),(C) and (B) M
(D),(C),(B) and (A)
(D),(B),(A) and (C)
(D),(C),(A) and (B)