Consider the following for real numbers α, β, γ and δ ?_x005F_x000D_ 1) sec α = 1/4_x005F_x000D_ 2) tan β = 20_x005F_x000D_ 3) cosec γ = 1/2_x005F_x000D_ 4) cos δ = 2_x005F_x000D_ How many of the above statements are not possible?_x005F_x000D_

• A. one
• B. two
• C. three
• D. four