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HeiYee

How to do 14a? Thank you!

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  • eric
    2020-02-24 14:52:49
    You can choose any two points on the graph and substitute into the equations. Say you take (0°,-2) and (180°,2). Then you can find a,b by solving the simultaneous equations: -2=asin0°+bcos0°, 2=asin180°+bcos180°
  • HeiYee
    2020-02-24 15:11:39
    Thank you!
    •  eric 2020-02-24 14:52:49
    • You can choose any two points on the graph and substitute into the equations. Say you take (0°,-2) and (180°,2). Then you can find a,b by solving th ..
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