Calculate: (a) cos(7/9) + tan(7/15 ) sin(15) (b) sin280 (cos14sin 80)2/30.18 The following problems can be

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Calculate:
(a) cos(7π/9) + tan(7/15 π) sin(15°)
(b) sin280° – (cos14°sin 80°)2/3√0.18
The following problems can be solved by writing commands in the Command Window, or by writing a program in a script file and then executing the file.
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