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Math Help - find the value of tan sin and cos

  1. #1
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    find the value of tan sin and cos

    find the value of tan sin and cos-tub.png

    pls give your answers,, i just wanna know if im correct

    thanks

    mine is

    1. 56/33
    2. -24/25
    3. 63/65
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  2. #2
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    Which quadrants are A and B in?
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  3. #3
    Senior Member Educated's Avatar
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    All seem correct to me.

    @Prove It: It says A and B are in Quadrant 2.
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  4. #4
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    they are in quadrat 2 guyz
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  5. #5
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    @educated,, did u try to solve them

    thank you very much
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  6. #6
    Senior Member Educated's Avatar
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    Yes I did. They were correct.

    A = 2.214297436...
    B = 1.965587446...

    tan(A + B) = 1.6969696969... = 56/33

    sin(2A) = -0.96 = -24/25

    cos(A - B) = 0.9692307692... = 63/65
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