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

A person who suffers from AIDS and has an immune system that does not function properly is considered to have which of the following? A. impairment B. activity
2x=(360/4) solve for x please
The standard diameter of a golf ball is 42.67 mm. A golf ball factory does quality control on the balls it manufactures. Golf balls are randomly measured to ens
whom should I vote for? Is that true or false
The width of a rectangle is two-thirds of its length, and its area is 216 square meters. What is the length? is it 27 or 12
HELP!!! Using a directrix of y = 2 and a focus of (3, −4), what quadratic function is created?
what is the energy of activation
Reflex responses are controlled in your
Why did some people oppose the Mormons
Which of the following contributed to the United States’ decision to enter the war? a. extensive experience with trench warfare b. fear of a poison gas attack c