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2.)how does a graphical user interface (gui) on a touchscreen interface differ from a gui on a desktop or laptop? a.)a finger or stylus is used instead of a pointer. b.) a magic wand is used instead of a pointer. c.)users speak commands instead of using a pointer. d.)users visualize commands instead of using a pointer.

Verify each identity[tex] \frac{csc}{cot \: x \: + \: tan \: x} = cos \: x[/tex]

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