subject

Mathematics, 20.09.2021 14:00 zacklofton6518

1. P = $\begin{pmatrix}-\sin \left(x\right)&\cos \left(x\right)\\ \cos \left(x\right)&\sin \left(x\right)\end{pmatrix}$ Q = $\begin{pmatrix}\sin \left(x\right)&\cos \left(x\right)\\ \cos \left(x\right)&-\sin \left(x\right)\end{pmatrix}$
and I is a 2×2 identity matrix. Find PQ +2I

2. P = $\begin{pmatrix}\cos \left(x\right)&-\sin \left(x\right)\\ \sin \left(x\right)&\cos \left(x\right)\end{pmatrix}$
Q = $\begin{pmatrix}\cos \left(x\right)&\sin \left(x\right)\\ -\sin \left(x\right)&\cos \left(x\right)\end{pmatrix}$
and I is a 2×2 identity matrix. Find PQ +2I

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 16:30

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Answers: 1

question

Mathematics, 21.06.2019 21:00

How to simply and write the answer n a whole number

Answers: 1

question

Mathematics, 22.06.2019 02:30

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?

Answers: 1

question

Mathematics, 22.06.2019 04:30

Liang bought a basket of apples to make pies for her friends. the basket of apples weighed p pounds. before she had time to make the pies, she ate 3 pounds of apples. there are 17 pounds of apples left to make pies.

Answers: 2

You know the right answer?

1. P = Q =
and I is a 2×2 identity matrix. Find PQ +2I

2. P =
Q =
...

Questions

question

Arts, 13.02.2021 19:30

Jeremiah’s to visit to the potters were prophetic sign act that visualized how to convenantal relationship between the lord and his people have reache...

question

English, 13.02.2021 19:30

Descreve os elementos religiosos comuns que existiam nas antigas culturas...

question

SAT, 13.02.2021 19:30

Tell me this dog isn’t adorable. Please don’t report guys. Show love for animals. And no it’s not a fox

question

History, 13.02.2021 19:30

What happened at Putin's most recent inauguration?...

question

Social Studies, 13.02.2021 19:30

ANY GAY BOYS OUT THERE?...

question

English, 13.02.2021 19:30

Pls help this is hard ...

question

Biology, 13.02.2021 19:30

How do the nitrogen bases pair together in DNA?...

question

Mathematics, 13.02.2021 19:30

Hii good morning pepoles hope u have a great day stay cool:D...

question

Arts, 13.02.2021 19:30

An activist is someone who takes action to bring about change to things that aren't fair in the world. If you could be an activist, what would you cha...

question

Mathematics, 13.02.2021 19:30

Will someone help me with this By the way funny photo

question

Mathematics, 13.02.2021 19:30

The coordinates of one endpoint of a line segment are (4, −12). The length of the segment is 5 units. Determine four coordinate pairs that could serve...

question

Biology, 13.02.2021 19:30

Pregunta En una especiede mariposas hayuna enfermedad letas de caracterresecibo al juntarce ambos aleloslas crias mueren

question

Mathematics, 13.02.2021 19:30

3k-1=7k+2 solve the problem to find out what k is...

question

History, 13.02.2021 19:30

mide el desplazamiento desde la primera moneda hasta la tercera utiliza el hilo luego mide la longitud mide la longitud con la cinta metrica ?...

question

English, 13.02.2021 19:30

Please answer this correctly without making mistakes

question

Biology, 13.02.2021 19:30

What is another name for a reactant? a)product b)output c)metabolic pathway d)input...

question

Arts, 13.02.2021 19:30

You’ve been named as a career counselor for a local college. You are responsible for making career recommendations for each student. Dominic wants to...

question

Mathematics, 13.02.2021 19:30

If anyone can show me the solution along with the answer to this problem thank u! 2y^2+2y-12>0...

question

Geography, 13.02.2021 19:30

Importance of the study of geomorphology...

question

English, 13.02.2021 19:30

B. What does the phrase 'turned their stones to rust' refer to?...

More questions: Mathematics Another questions

Questions on the website: 13722367