jenniferlynn jenniferlynn
  • 01-06-2016
  • Physics
contestada

Enter the expression 2cos2(θ)−1, where θ is the lowercase Greek letter theta.

Respuesta :

Hussain514 Hussain514
  • 09-06-2016
2cos2(θ)−1 = 0
2cos2(θ)=1
cos2(θ)=1/2
2θ=arc cos1/2
2θ=60 degrees
θ=30 degrees
Answer Link

Otras preguntas

What is 2/3 of a share of $24 390
x to the 2 power = -169 solve for X
Whats 0.67 closest to 0,1/2,or 1 ?? Explain
A8 x 3B = 2730 What number is A and B?      You don't have to explainPlease answer soon
if about 32,834.5 kilobytes of memory is still available how many more pictures can they take
specific park is rectangular-shaped and has a 7-mile perimeter. The length is 4 times the width. What are the dimensions of the park?
Which of the following is NOT true about the issues that led to civil war in the United States? A. Conflict arose between the northern and southern parts of the
what factors contribute to global winds?
A wave with a frequency of 0.5 Hz and a speed of 10 m\s has a wavelength of..
what percent increase is it to go from $1.25 to $1.50?