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

which word describes the tone in the memoirs by both Galarza and angelou. Dramatic. Humorous. Bitter. Grateful.
What's the circumference of a circle with a radius of 7 in? Round your answer to the nearest inch. A. 41 in. B. 21 in. C. 44 in. D. 14 in.
what is the answer to 5 3/4 x 4 2/3
your daily workout plan involves a total of 40 minutes of running and swimming. you burn 20 calories per minute running and 10 calories per minute swimming. let
what components of physical activity are skill related
what is the answer to –5 = s – 3
a building block is in shape of a cube with each side length of 5. what is the volume?
Which best shows the type of power of congress
true or false: a habitat can only include one niche. ?
jugar "to play" is used for sports and games. true false