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

I have 30 ones, 82 thousnads, 4 hundred thousands, 60 tens and 100 hundreds. what am I?

2x/x2-25=10/x2-25 - 4/x+5

The lines below are perpendicular. If the green line has a slope of -2/3, what is the slope of the red line? Enter your answer as an integer or a fraction in lo

how to write 625,087,435 in expanded form

3w + 2 = 7w Please help

When can and athlete return to play after a concussion

multiply the hours of labor by $55, then add $80. if c = cost in dollars and h = hours of labor, which equation expresses the rule above? a.c(h) = 80h 55 b.c(h)

for each group of terms, write a sentence that shows how the terms relate. position: time: motion

Nina wants to download games for her video game console. Older games cost 500points and new releases cost 2000 points. Nina has 20,000 points to use. The equati

Hydrogen, carbon, and gold are examples of what?