File Preview Find the reference number and and terminal point for the following: 11n at = b t = -2nt 6 3 2. Find the exact value of the trignometric function a cos b ) cot 3. Determine whether the function is even, odd or neither: a) f(x) = x + cosx b) cos(sinx) 4. Graph the function: y = -1 + cosx 5. Find the amplitude, period, horizontal shift: a) y = -2sin (x - b) y = 1 + cos (3x + ,) 6. Find the period and graph the function: y = tan -x 7. Convert from Degrees to Radians: 75 degrees8. Convert from Radians to Degrees: File Preview 15 9. An arc of length 15 ft subtends a central angle O in a circle of radius 9 ft. Find the measure of 0 in degrees and radians 10. Evaluate the expression without using a calculator. a sin 30 csc 30 b) (sin 60)2 + (cos 60)2 c) (cos. + sin")2 2 d) (sin "tan " + csc&quot