Using your CALCULATOR, go to TABLE mode. Insert the function f(x)=2cosx-1 o Start: -180; End: 180...

 

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Using your CALCULATOR, go to TABLE mode. Insert the function f(x)=2cos²x-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 cos²x-1 where x=[–180° ;180°]. Using your calculator insert the following function g(x)=1-2 sin²x 2.2.1 Complete the following table: X 1-2 sin²x -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) = cos²x-sin²x 2.3.1 Complete the following table: cos²x-sin²x (1) 2.3.2 Use the table to sketch the graph of h(x)=cos²x-sin²x where x=[−180° ;180°]. (3) (1) (3) -180° -135°-90°-45° 0° 45° 90° 135° 180° (1) (3) Using your CALCULATOR, go to TABLE mode. Insert the function f(x)=2cos²x-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 cos²x-1 where x=[–180° ;180°]. Using your calculator insert the following function g(x)=1-2 sin²x 2.2.1 Complete the following table: X 1-2 sin²x -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) = cos²x-sin²x 2.3.1 Complete the following table: cos²x-sin²x (1) 2.3.2 Use the table to sketch the graph of h(x)=cos²x-sin²x where x=[−180° ;180°]. (3) (1) (3) -180° -135°-90°-45° 0° 45° 90° 135° 180° (1) (3)

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