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Math Help - Did I do these properly? (3 Grade 11 Identities and circle problems)

  1. #1
    s3a
    s3a is offline
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    Did I do these properly? (3 Grade 11 Identities and circle problems)

    I got the following final answers. Am I right?:

    1) I'm assuming it is right since I end with 2sec (θ) = 2sec (θ)
    2) θ = π/3
    3) The valve will be located 61.92cm above the ground after 3 min.

    Please tell me if I am wrong because my teacher gave these questions as practice for the test and if I get them wrong then that means I will do bad on my test!

    Thanks in advance!
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  2. #2
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    Since you have shown no work, I see no way of saying whether you have done it properly or not!
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