sha2ristana sha2ristana

21-11-2016
Mathematics

contestada

cos(x/5)sin(x/5)=1/2[sin(2x/5)]

A. True B. False ...?

Respuesta :

antonsandiego antonsandiego

21-11-2016

As I see this equation cos(x/5)sin(x/5)=1/2[sin(2x/5)] is correct. So it's true. Usr this trick to simplify the equation and check it. cos(u)sin(v) = 1/2[sin(u+v)+sin(u-v)]

Answer Link

Otras preguntas

On Wednesday, Dia ran 1 1/2 hours at an average speed of 4 miles per hour. How far did she run? (Please show the work ty.)

Am I correct on the Spanish questions above???

Find the slope of the line 40 Points!

1. Which elements are known as d-block elements?transition metalsalkali earth metalshalogensalkali metals

According to MLA style, which of the following shows the correct capitalization for a book title? A. Parrots of the Wild: A natural history of the world's mo

Which mountain range runs down the western edge of South America and serves as the eastern border of Chile? A) the Andes B) the Zagros C) the Argentines D) the

Which best describes the Louisiana Purchase? Question 6 options: made by George Washington as father of the country included lands of the original 13 colonies d

I'm having trouble understanding this Geometry problem.. any help?

How did the US support the Allie’s after Roosevelt’s reeelection

what is the rate of increase for the function f(x)=1/3(^3√24)^2x A. 1/3 B. 2^3√3 C. 4 D. 4^3√9