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Trig Questions-

1. Write the algebraic expression which shows Cos((ArcSin(4/X)),

2. Angle If Csc(-Θ)=15/4?
2. - what quadrant is it in, find the sin(-Θ), Sin(Θ), Tan(90deg-Θ), Tan(Θ), csc(Θ), Sec(-Θ+360deg), Thanks

  • Math-Trig - ,

    These are rather simple if you make drawings or sketches.

    For instance on the first, if sin is 4/x
    then the hypotenuse is x, the opposite side is 4, and the adjacaent side is sqrt(x^2-4). So now what is the cosine?

    You can do this. We will be happy to critique your thinking.

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