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  1. A

    help with simplification

    Simplify
  2. A

    Help needed for year ten trigonometry question

    I would really appreciate anyone's help with this word problem: 14. The angle of elevation of a vertically rising hot air balloon changes from 27° at 7.00 am to 61° at 7.03 am, according to an observer who is 300 m away from the take-off point. a. Assuming a constant speed, calculate the speed...
  3. A

    Help needed for trigonometry question

    Much appreciated if someone help
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