Arlynborrali6426 Arlynborrali6426

21-10-2019
Mathematics

contestada

Derive a formula for sin(2????) in terms of sin(????) and cos(????) for all real numbers ????.

Respuesta :

jtellezd jtellezd

25-10-2019

Answer: sin (2α) = 2 sin (α) cos (α)

Step-by-step explanation:

We departure from the sin of a sum of angles

sin ( α + β ) = sinα *cosβ + sinβ *cosα

if α = β ⇒ sin (α + α ) = sin(α) *cos(α) + sin(α)*cos(α)

sin (2α) = 2 sin (α) cos (α)

Answer Link

Otras preguntas

hitch of the following is a possible result of unhealthy weight gain? low blood pressure hep C type 2 diabetes oral infections

Melvin has game and education apps on his tablet. He noticed that he has 3 game apps for every 2 education apps. Which of the following is another way to write

The measure of the angles of a triangle are 52°, 37°, and x°. Find the measure of “x” . Hint: The sum of three angles of a triangle equals 180°.

Isotopes of an element have the same number of ________ and different numbers of ________. neutrons... protons protons... neutrons electrons...protons protons..

How can an hr department that is considered its company's strategic partner help the company gain a competitive advantage?

A bicyclist travels at the rate of 8 miles in an hour. If the bicyclist continues at this rate, how many miles can the bicyclist travel in seven hours? A. 54 m

Minority workers are underrepresented and have less access to certain high-paying occupations. this illustrates:

as the driver of vehicles , your only responsibility is to operate the vehicle in a safe manner. true or false

HELP PLEASE! Which of the following correctly describes fungi? A. Eukaryotic autotroph B. Prokaryotic autotroph C. Eukaryotic heterotroph D. Prok

The mathematics faculty at a college consists of 11 professors, 55 associate professors,11 assistant professors, and 55 instructors. If one faculty member is