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b) Given cos(28) = where 20 is an angle in standard position with a terminal arm in quadrant 3, determine the exact value of cos(0) and sin(0). 9) In a simple arc for an alternating current circuit, the current at any instant t is given by the function f(t)=15sin(60t). a) Find the average rate of change as t goes from 2 to 3. AHF4U UNIT 6 TEST b) Find the instantaneous rate of change at t = 2.
2) a) Complete the chart for the following trigonometric functions. Equation Amplitude Period Phase Shift Vertical Shift Axis of the curve Range a) y = 3 cos 2(0)+1 T 6 TEST OATE
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