(b) (8 points) Find AB, the product of the matrices you found in part (a), and explain why AB rotates each point in HR2 about the origin counterclockwise through an angle of θ+ φ.
nuh (c) (6 points) Use part (b) to prove the angle sum identities: sin(e+ ) sin θ cos cos θ sin p and cos(θ + φ-cos θ cos p-sin θ sin p .
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4. (22 points) Let To : R2 R2 be the linear transformation that rotates each point in IR2 about the origin through an angle of θ (with counterclockwise corresponding to a positive angle), and let T,p...
Let T : R2 → R2 be the linear transformation given by T(v) = Av that consists of a counterclockwise rotation about the origin through an angle of 30 2, Find the matrix that produces a countercloc...
Let T : R2 → R2 be the linear transformation given by T(v) = Av that consists of a counterclockwise rotation about the origin through an angle of 30 2, Find the matrix that produces a counterclockwise rotation about the origin through an angle of 30°. Be sure to give the EXACT value of each entry in A. a. b. Plot the parallelogram whose vertices are given by the points A(0, 0), B(4, 0), C(5, 3), and D 1, 3)...
Assume that T is a linear transformation. Find the standard matrix of T. T: R2→R2, rotates...
Assume that T is a linear transformation. Find the standard matrix of T. T: R2→R2, rotates points (about the origin) through-6 radians. Type an integer or simplified fraction for each matrix element. Type exact answers, using radicals as needed.)
Let rx: R3 → R3 be the linear transformation which rotates counter-clockwise around the x-axis by an angle of π/4 radians
Let rx: R3 → R3 be the linear transformation which rotates counter-clockwise around the x-axis by an angle of π/4 radians. Similarly, let ry be the rotation by an angle of π/4 radians around the y axis. (a) Find the standard matrices for rx and ry (b) Find the standard matrix for rx o ry (c) Find the standard matrix for ry o ry
Let T be the linear transformation from R3 into R2 defined by (1) For the standard...
Let T be the linear transformation from R3 into R2 defined by (1) For the standard ordered bases a and ß for R3 and IR2 respectively, find the associated matrix for T with respect to the bases α and β. (2) Let α = {x1 , X2, X3) and β = {yı, ys), where x1 = (1,0,-1), x2 = - (1,0). Find the associated (1,1,1), хз-(1,0,0), and y,-(0, 1), Уг matrices T]g and T12
Q3 (6 points) Let T be the rotation (counterclockwise) of R2 by an angle ofLet S...
Q3 (6 points) Let T be the rotation (counterclockwise) of R2 by an angle ofLet S R2R2 be the reflection with respect to the line y 3 x. S and T are both linear transformations. (a) (4 points) Determine the standard matrix of S. Give details about how your obtained your answer. b) (1 point) Write down the standard matrix of T. Give only the answer, no justification needed. (c) (1 point) What is the standard matrix of S。TY Drag...
Give a linear transformation from R2 to R2 that first reflects a point over the y-axis and then rotates it π/ 2 radians counterclockwise about the origin in two ways: (a) Find directly where this transformation sends the points (1, 0) and (0, 1). (b) By s
Give a linear transformation from R2 to R2 that first reflects a point over the y-axisrotation.and then rotates it π2 radians counterclockwise about the origin in two ways:
Let L be a straight line through the origin and denote by Show that: the angle...
Let L be a straight line through the origin and denote by Show that: the angle from positive r-axis to L. (a) The matrix representing projection to the line L is given by P = ſcos cos O sin sin cos 6] sin0 (b) The matrix representing reflection about the line L is cos 20 sin 20 sin 201 - cos 20
(a) Let T: R2 + R2 be counter clockwise rotation by 7/3, i.e. T(x) is the...
(a) Let T: R2 + R2 be counter clockwise rotation by 7/3, i.e. T(x) is the vector obtained by rotating x counter clockwise by 7/3 around 0. Without computing any matrices, what would you expect det (T) to be? (Does T make areas larger or smaller?) Now check your answer by using the fact that the matrix for counter clockwise rotation by is cos(0) - sin(0)] A A= sin(0) cos(0) (b) Same question as (a), only this time let T...
Problem 3. Let T R2 -R be a linear transformation, with associated standard matrir A. That...
Problem 3. Let T R2 -R be a linear transformation, with associated standard matrir A. That is [T(TleAl, where E = (e1, ē2) is the standard basis of R2. Suppose B is any basis for R2 a matrix B such that [T()= B{v]B. This matric is called the the B-matrix of T and is denoted by TB, (2) What is the first column of T]s (3) Determine whether the following statements are true or (a) There erists a basis B...
Let T:R? → Rº be the linear transformation that first rotates points clockwise through 30° (7/6...
Let T:R? → Rº be the linear transformation that first rotates points clockwise through 30° (7/6 radians) and then reflects points through the line y = 2. Find the standard matrix A for T. A=
Let T : R2 → R2 be the linear transformation given by T(v) = Av that consists of a counterclockwise rotation about the origin through an angle of 30 2, Find the matrix that produces a counterclockwise rotation about the origin through an angle of 30°. Be sure to give the EXACT value of each entry in A. a. b. Plot the parallelogram whose vertices are given by the points A(0, 0), B(4, 0), C(5, 3), and D 1, 3)...
Assume that T is a linear transformation. Find the standard matrix of T. T: R2→R2, rotates points (about the origin) through-6 radians. Type an integer or simplified fraction for each matrix element. Type exact answers, using radicals as needed.)
Let T be the linear transformation from R3 into R2 defined by (1) For the standard ordered bases a and ß for R3 and IR2 respectively, find the associated matrix for T with respect to the bases α and β. (2) Let α = {x1 , X2, X3) and β = {yı, ys), where x1 = (1,0,-1), x2 = - (1,0). Find the associated (1,1,1), хз-(1,0,0), and y,-(0, 1), Уг matrices T]g and T12
Q3 (6 points) Let T be the rotation (counterclockwise) of R2 by an angle ofLet S R2R2 be the reflection with respect to the line y 3 x. S and T are both linear transformations. (a) (4 points) Determine the standard matrix of S. Give details about how your obtained your answer. b) (1 point) Write down the standard matrix of T. Give only the answer, no justification needed. (c) (1 point) What is the standard matrix of S。TY Drag...
Let L be a straight line through the origin and denote by Show that: the angle from positive r-axis to L. (a) The matrix representing projection to the line L is given by P = ſcos cos O sin sin cos 6] sin0 (b) The matrix representing reflection about the line L is cos 20 sin 20 sin 201 - cos 20
(a) Let T: R2 + R2 be counter clockwise rotation by 7/3, i.e. T(x) is the vector obtained by rotating x counter clockwise by 7/3 around 0. Without computing any matrices, what would you expect det (T) to be? (Does T make areas larger or smaller?) Now check your answer by using the fact that the matrix for counter clockwise rotation by is cos(0) - sin(0)] A A= sin(0) cos(0) (b) Same question as (a), only this time let T...
Problem 3. Let T R2 -R be a linear transformation, with associated standard matrir A. That is [T(TleAl, where E = (e1, ē2) is the standard basis of R2. Suppose B is any basis for R2 a matrix B such that [T()= B{v]B. This matric is called the the B-matrix of T and is denoted by TB, (2) What is the first column of T]s (3) Determine whether the following statements are true or (a) There erists a basis B...
Let T:R? → Rº be the linear transformation that first rotates points clockwise through 30° (7/6 radians) and then reflects points through the line y = 2. Find the standard matrix A for T. A=
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