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    :confused:
    How would i find the angle which the plane 3x+2y+z=6 makes with the plane x=0?
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    dot product?
    cross product?
    i hate vectors, the sooner this semester finishes the better.
    • Thread Starter
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    urgh i hate them too
    i have no idea what a dot or cross product is..is it the same as a scalar product.?.if so i still dont understand..o dear
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    yes scalar product is dot product
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    Wiki Support Team
    Dot product = scalar product, cross product = vector product.

    Draw yourself a diagram of the angle you want. Find the angle between the two unit normals to the planes (using the scalar product), and use your diagram to see how these two angles are related.
 
 
 

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