Mathematics, 05.07.2020 16:01 lorraneb31
Make a matrix A whose action is described as follows: The hit by A rotates everything Pi/4 counterclockwise radians, then stretches by a factor of 1.8 along the x-axis and a factor of 0.7 along the y-axis and then rotates the result by Pi/3 clockwise radians.
Answers: 3
![A = \left[\begin{array}{ccc}1.07&-0.21\\-0.86&1.35\end{array}\right]](/tpl/images/0701/8053/fc178.png)
![P = \left[\begin{array}{ccc}cos\pi/4&-sin\pi/4\\sin\pi/4&cos\pi/4\end{array}\right]](/tpl/images/0701/8053/0bf01.png)
![P = \left[\begin{array}{ccc}1/\sqrt{2} &-1/\sqrt{2} \\1/\sqrt{2} &1/\sqrt{2}\end{array}\right]](/tpl/images/0701/8053/d1119.png)
![\left[\begin{array}{ccc}x'\\y'\end{array}\right] = \left[\begin{array}{ccc}cos\theta&-sin\theta\\sin \theta&cos\theta\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right]](/tpl/images/0701/8053/32c80.png)
![\left[\begin{array}{ccc}x'\\y'\end{array}\right] = \left[\begin{array}{ccc}1.8&0\\0&0.7\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right]](/tpl/images/0701/8053/7c528.png)
![Q = \left[\begin{array}{ccc}1.8&0\\0&0.7\end{array}\right]](/tpl/images/0701/8053/74430.png)
![R = \left[\begin{array}{ccc}cos(-\pi/3)& -sin(-\pi/3)\\-sin(\pi/3)&cos(\pi/3)\end{array}\right]](/tpl/images/0701/8053/8171f.png)
![R = \left[\begin{array}{ccc}1/2&\sqrt{3}/2 \\-\sqrt{3}/2 &1/2\end{array}\right]](/tpl/images/0701/8053/0edeb.png)
![A = RQP = \left[\begin{array}{ccc}1/2&\sqrt{3}/2 \\-\sqrt{3}/2 &1/2\end{array}\right] \left[\begin{array}{ccc}1.8&0\\0&0.7\end{array}\right] \left[\begin{array}{ccc}1/\sqrt{2} &-1/\sqrt{2} \\1/\sqrt{2} &1/\sqrt{2}\end{array}\right]](/tpl/images/0701/8053/314ab.png)
Another question on Mathematics
Mathematics, 21.06.2019 19:00
Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers
Answers: 1
Mathematics, 21.06.2019 22:00
Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall
Answers: 1
You know the right answer?
Make a matrix A whose action is described as follows: The hit by A rotates everything Pi/4 countercl...
Questions
Mathematics, 26.10.2020 06:10
Health, 26.10.2020 06:10
Mathematics, 26.10.2020 06:10
English, 26.10.2020 06:10
English, 26.10.2020 06:10
Business, 26.10.2020 06:10
Mathematics, 26.10.2020 06:10
Mathematics, 26.10.2020 06:10
Mathematics, 26.10.2020 06:10
History, 26.10.2020 06:10
