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1. Find the exact value. Do not use calculator. sec 30" 2. Graph the function. Identify the amplitude and period. f(x) = 3cos mac 3. Graph the function. Identify the period. f(x) = 365c(x+g) 4. Find the exact value. '1( 5-") C05 C05 3 5. Solve. The wheels ofa car have radius 11 in. and are rotating at 600 rpm. Find the speed ofthe car in mph. 6. Solve. A BOO-ft guy wire is attached to the top of a communications tower. If the wire makes an angle of 72 with the ground, how tall is the communications tower? [Hintc Draw a picture]