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Task/26548492--------------------9.-18√2sin(-135°) = -18√2*(-sin135°) =18√2sin(180°-45°) =18√2sin45°= 18√2 *1/√2 =18 .------------10.24√2cos(-π/3)sin(π/4)=24√2cos(π/3)sin(π/4) =24√2*(1/2)*1/√2 =12.------------11.14sin19° / sin341° =14sin19° / sin(360° - 19°) =14sin19° /(-sin19°) = -14.