Using your CALCULATOR, go to TABLE mode. Insert the function f(x)=2cosx-1 o Start: -180; End: 180 o Step 45 2.1.1 Complete the following table: 2.2 2.3 X 2 cos x-1 2.1.2 Use the table to sketch the graph of f(x)=2 cosx-1 where x=[180 ;180]. Using your calculator insert the following function g(x)=1-2 sinx 2.2.1 Complete the following table: X 1-2 sinx -180 -135-90-45 0 45 90 135 180 -180 -135-90-45 0 45 90 135 180 2.2.2 Use the table to sketch the graph of g(x)=1-2sin'x where x= [-180; 180]. X Using your calculator insert the following function h(x) = cosx-sinx 2.3.1 Complete the following table: cosx-sinx (1) 2.3.2 Use the table to sketch the graph of h(x)=cosx-sinx where x=[180 ;180]. (3) (1) (3) -180 -135-90-45 0 45 90 135 180 (1) (3)