The value of
(sinθ+cosecθ)2+(cosθ+secθ)2 is:
7 - cot2θ + tan2θ
5 + cot2θ + tan2θ
7 + cot2θ + tan2θ
5 - cot2θ + tan2θ
Refer to the following letter, number, symbol series and answer the question.
(Left) S 7 & D M # Z 6 % 3 T 2 * H G = C ? 4 Y B (Right)
How many such symbols are there which are immediately preceded by a number and also immediately followed by a letter?