01-04-2017
Mathematics

contestada

Verify the identity.

cos 4x + cos 2x = 2 - 2 sin^2(2x) - 2 sin^2 x

Respuesta :

01-04-2017

So are you trying to simplify one side to get it to look like the other?

Answer Link

Otras preguntas

The United States is a

Which one of the exponential functions represents the graph below.

Peter walked 10m from X to Y on bearing 020° and then he turned and walked 20m to Z with bearing 140° of Z from Y. Find the distance between X and Z. Find the b

The X- and y-coordinates of point P are each to be chosen at random from the set of integers 1 through 10. What is the probability that P will be in quadrant I

Barry spent 1/5 of his monthly salary for rent and 1/7 of his monthly salary for his school loans. If $851 was left, what was his monthly salary?

I got this wrong please help me get the right answer in the first little box marked in red. thx

Find the value of the chi-square test statistic for the goodness-of-fit test. You wish to test the claim that a die is fair. You roll it 48 times with the follo

A line passes through the given points. Write an equation for the line in point-slope form. Then rewrite the equation in slope-intercept form. (4, –2), (9, –8)

Say the marginal tax rate is 30 percent and that government expenditures do not change with output. Say also that the economy is at potential output and that th

The higher the bowling score the better. The lower the golf score the better. Assume both are normally distributed. a. Suppose we have a sample of the Santa Ana