I. Convert S radians into degrees: Mark Value: 3 (b) 5a (c) 36 900 2. (e Determine the minimum of the trigonometric function f (x) = -2 cos(3x) -4 -1 -2 (g) -4 (h) - 6 Mark Value: 3 3. Convert 160 into radians: (1) 8 () 160n 160 (k) (1) Mark Value: 3 4. Which equation represents the following function? (a) f(x ) = tan x (b) f (x) = csc X on (c) f ( x ) = sec x (d) f ( x ) = cot x Mark Value: 35. For what values of x is tan x undefined? Mark Value: 2 (1) X = MA, nel "tna,nel (k x = n2x,nel (1) x = "+ nin,nel 6. Which of the following pairs of functions have identical x-intercepts? (a) f (x) = sin x, f(x) = tan x (b) f (x) = cosx, f (x) = sin x (c) f(x) = sin x, f(x) = csCX (d) f (x) = tanx, f (x) = cosx Mark Value: 2 7. Match the following characteristics for each reciprocal trigonometric graph. Some may be used more than once. If(x ) = cotx f (x) = cs x f(x) = sec x (a) X-intercepts are at ~ + nn, nel (b) Range is {yER/y