1. If cscθ=5/3 then secθ=

a. 25/16

b. 5/4

c. 16/25

d. 4/5

2. Simplify the expression

(cos x) (sec x) - (sin2 x)

a. cos x

b. cos2 x

c. sec2 x

3. If θ is in Quadrant IV and sinθ=-5/4 then secθ=

a. - 13/12

b. - 12/3

c. 12/13

d. 13/12

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