subject

Mathematics, 15.12.2020 01:30 kimvigil4580

Prove the identity : cos(π+x+y)=sinx siny−cosx cosy

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 18:40

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Answers: 1

question

Mathematics, 21.06.2019 20:00

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Answers: 2

question

Mathematics, 21.06.2019 20:30

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Answers: 1

question

Mathematics, 21.06.2019 20:30

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Answers: 1

You know the right answer?

Prove the identity : cos(π+x+y)=sinx siny−cosx cosy...

Questions

question

Mathematics, 07.10.2019 20:40

How do i rewrite the expression as a multiple of a sum of 2 numbers with no common factor? 30 + 12

question

English, 07.10.2019 20:40

In the book "i know why the caged bird sings" how did marguerite feel when she was surrounded by young people of all races in chapter 34? why did she...

question

History, 07.10.2019 20:40

The majority of the western european agriculture takes place on the great european plain. true or false?...

question

Mathematics, 07.10.2019 20:40

What is the answer to this question ?...

question

Business, 07.10.2019 20:40

During the year, justin received gross wages of $30,800 reported on his form w-2 and taxable interest of $230 reported on a form 1099-int. he can clai...

question

Biology, 07.10.2019 20:40

Ahydrocarbon has molecular formula c3h8. identify the class of hydrocarbons it belongs to....

question

History, 07.10.2019 20:40

Which of the following ethnic groups have suffered a long history of discrimination in japan...

question

Chemistry, 07.10.2019 20:40

Agas with a volume of 4.0 liters at a pressure of 205 kilopascals is allowed to expand to a volume of 12.0 liters. what will the pressure in the conta...

question

History, 07.10.2019 20:40

Dining and sleeping passenger railroad cars allowed people to make long trips in more comfortable conditions. • automobiles could people travel...

question

Biology, 07.10.2019 20:40

Jupiter, saturn, uranus and neptune what is one reason why life probably does not exist on those four planets...

question

History, 07.10.2019 20:40

What of the following is not a result of phillip ii's anti-protestant policies? he became a leader of the counter-reformation.

question

Spanish, 07.10.2019 20:40

Que necesitas hacer para sacar una buena nota...

question

Spanish, 07.10.2019 20:40

Iam trying to translate my spanish questions in to english, to make sure i fully understand what they are asking, before i answer them back into spani...

question

Mathematics, 07.10.2019 20:40

Given that the measure of ∠x is 73°, and the measure of ∠y is 40°, find the measure of ∠z....

question

Health, 07.10.2019 20:40

The gestational age of the embryo is measured from when the sperm and egg unite. a. typically injected into the amniotic fluid...

question

Health, 07.10.2019 20:40

What is the best path to being a radiologist?...

question

Chemistry, 07.10.2019 20:40

A50-gram sample of a radioactive nuclide is left to decay for 10 hours. at the end of 10 hours, only 25 grams of the sample is left. what is the half-...

question

Biology, 07.10.2019 20:40

What did j. j. thomson’s experiments with cathode ray tubes imply about the mass of an electron? electrons are many thousand times larger than...

question

Spanish, 07.10.2019 20:40

Its urgent1. look at the image and answer the question that follows. ¿qué clase de película es? (1 point) policíaca de...

question

Physics, 07.10.2019 20:40

Which trait shared by dolphins and bats possibly lead to the evolution of echolocation in these two animal groups?...

More questions: Mathematics Another questions

Questions on the website: 13722363