Find the graph y = 2sin x + cos(2.5x) over the interval

1 answer

graph y = 2sinx and y = cos 2.5x on the same grid, then for any given x, add their y values.

plot that point
Do this for enough values to show the graph

Similar Questions

2sin(x)cos(x)+cos(x)=0I'm looking for exact value solutions in [0, 3π] So I need to find general solutions to solve the

Top answer: when you divide both sides by cos x, you divide by zero when cos x = 0. Not allowed. However your Read more.
Solve the equation in the interval [0, 2pi].2sin(t)cos(t)-cos(t)+2sin(t)-1=0 Answer needs to be formatted as x={Insert answers

Top answer: 2sin(t)cos(t)-cos(t)+2sin(t)-1=0 cost(2sint - 1) + (2sint - 1) = 0 (2sint - 1)(cost + 1) = 0 sint = Read more.
Find the solutions to the given equation in the interval [0,2π)?2sin^3(x)−sin(x)cos(x)=2sin(x) check my answers π 4π)/3

Top answer: you are missing some solutions: 2sin^3(x)−sin(x)cos(x)=2sin(x) 2sin^3(x)−sin(x)cos(x) - 2sin(x) Read more.
f(x)=-cos(x^2)+2sin(x) [1,3.5]Find the three roots of f'(x) on the given interval

Top answer: f'(x) = 2x sin(x^2) + 2cosx so you want to find where x sin(x^2) + cosx = 0 Good luck doing that by Read more.
Find all solutions on the interval [0,2pi] for the following:2sin^2(x)-5sin(x)=-3 cos^2(x)+sin(x)=1

Top answer: To find all solutions on the interval [0, 2pi] for these equations, we can use algebraic Read more.
Solve for x in the interval 0<x<(pi/2): 2sin(9x)+cos(10x)=cos(8x)PLEASE HELP!!!

Top answer: I recommend a graphical or iterative solution, if they allow it. x=0 is one solution. So is pi/2, Read more.
Okay, today, I find myself utterly dumbfounded by these three questions -Write a proof for - 2/(sqrt(3)cos(x) + sin(x))=

Top answer: In proving identities the general rule is to start with the more complicated side and, by Read more.
Find sin(x/2) if sin(x)= -0.4 and 3pi/2 < or equal to (x) < or equal to 2piLet's use cos 2A = 1 - 2sin<sup>2</sup> A and we can

Top answer: To find sin(x/2), we can use the half-angle formula for sine. The half-angle formula states that Read more.
f(x) = − cos(x^2) + 2sin(x)How to find critical points, absolute max, and absolute min of f(x) on the interval [1,3.5]?

Top answer: well, we already did the critical points (where f'(x) = 0) so now it's just a matter of checking the Read more.
2sin^2(x) = 2 + cos(x)interval [0,2pi) How do I solve this? Help would be greatly appreciated!

Top answer: 2(1-cos^2 x) = 2 + cos x 2 - 2 cos^2 x = 2 + cos x 2 cos^2 x + cos x = 0 cos x (2 cos x + 1 ) = 0 Read more.