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  1. A

    help needed

    how to do this qn. My working out gave a anwer i think is wrong.
  2. A

    inverse trig question

    Please help me with this question. find the exact value of sin(cos^-1(2/3)+tan^-1(-3/4)) the image of this question is down below, if that help seeing the question better.
  3. A

    maths help

    thanks for the help
  4. A

    maths help

    how to do this question. I've been trying to do this for the past two days. there is an image in this post that contains the qn
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