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Cocoagirl81
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Cocoagirl81 asked in Education & ReferencePrimary & Secondary Education · 10 years ago

Please help me with my math work?

Thanks in advance!

Suppose the exact x and y are in the interval (3pi/2 , 2pi), sinx= -5/13 and cosy=4/5.

a)Determine the exact value of cosx, siny, tanx and tany.

b) find the exact value of tan(x-y)

1 Answer

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  • Experttreeco
    10 years ago
    Favorite Answer

    X= 3pi/2

    Y=2pi

    If your allowed to use a calculator just use the sin cos tan buttons and use the values for sin cos tan etc.

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