Chapter 10: Q. D (page 777)
Let and be positive real numbers and. Prove that the area of the triangle with verticesrole="math" localid="1663155755932" in the polar plane is
Short Answer
Hence, proved
Chapter 10: Q. D (page 777)
Let and be positive real numbers and. Prove that the area of the triangle with verticesrole="math" localid="1663155755932" in the polar plane is
Hence, proved
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Get started for freeIf u and v are nonzero vectors in , why do the equations role="math" localid="1649263352081" and tell us that the cross product is orthogonal to both u and v?
In Exercises 36–41 use the given sets of points to find:
(a) A nonzero vector N perpendicular to the plane determined by the points.
(b) Two unit vectors perpendicular to the plane determined by the points.
(c) The area of the triangle determined by the points.
In Exercises 30–35 compute the indicated quantities when
In Exercises 20-23, find the dot product of the given pairs of vectors and the angle between the two vectors.
Find the norm of the vector.
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