Further practice with trig graphs: Use the graph below to ESTIMATE when sinx = 0.5 between 0 and 360 degrees. CONFIRM WITH GDC!!! ESTIMATE when tanx = -­‐1. CONFIRM with GDC SKETCHING: ( 0 to 720) y = 3sinx y = -­‐3sinx y = 0.5cos(x/3) y = tan(2x) y = 0.5sin(0.5x) + 1 y = 2cos( x – 90 )