Q: Cross product is

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cross: torque dot: work

The cross product can be said to be a measure of the 'perpendicularity' of the vectors in the product. Please see the link.

Normally you use sine theta with the cross product and cos theta with the vector product, so that the cross product of parallel vectors is zero while the dot product of vectors at right angles is zero.

A dot product is a scalar product so it is a single number with only one component. A cross product or vector product is a vector which has three components like the original vectors.

No. A cross product is just a way of simplifying a proportion. If the cross product aren't equal, it follows logically that the proportion isn't equal.

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0 is a cross product of a vector itself

cross: torque dot: work

The cross product can be said to be a measure of the 'perpendicularity' of the vectors in the product. Please see the link.

Normally you use sine theta with the cross product and cos theta with the vector product, so that the cross product of parallel vectors is zero while the dot product of vectors at right angles is zero.

because that is the def. of a cross-product!

The cross product is created.

A dot product is a scalar product so it is a single number with only one component. A cross product or vector product is a vector which has three components like the original vectors.

cross product.

Because in dot product we take projection fashion and that is why we used cos and similar in cross product we used sin

No. A cross product is just a way of simplifying a proportion. If the cross product aren't equal, it follows logically that the proportion isn't equal.

Yes and no. It's the dot product, but not the cross product.

The dot-product and cross-product are used in high order physics and math when dealing with matrices or, for example, the properties of an electron (spin, orbit, etc.).