csaditya22Shiva csaditya22Shiva
  • 26-05-2017
  • Mathematics
contestada

Why sin c is written as 2sinc/2cosc/2

Respuesta :

WojtekR
WojtekR WojtekR
  • 26-05-2017
From double-angle formula we know that:

[tex]\sin(2\theta)=2\sin\theta\cos\theta[/tex]

so (for θ = c/2):

[tex]\sin c=\sin(2\cdot\frac{c}{2})=2\sin(\frac{c}{2})\cos(\frac{c}{2})[/tex]
Answer Link

Otras preguntas

A student estimated a mass to be 325g but upon carefully measuring it found the actual mass to be 342g what is the percent error?
Select the statements that describe windows® desktops.
Geographic reasons why the western half of the united states more sparsely populated than the eastern half
Describe the effects technology, particularly computers, has had on mechanical labor.
Based on the passage,readers can most likely conclude that Job's
Find the slope of each line by drawling a slop triangle
When did the us supreme court ruled that bus segregation was unconstitutional?
Which characteristic is present in both embryonic and adult monkeys?
A student reduces the temperature from a 300 cm3 balloon from 60°C to 20°C. What will the new volume of the balloon be? 264 cm3
What is the equation of the circle graphed below? Use the caret ( ^ ) to enter any exponents; for example, write x2 as x^2.