Search 75,920 tutors

I understand how it works when it is sin^2 x cos^2 x but I do not know what to do when I am given a 2x.

Solve tan 2x - cot x = 0 for the interval [0, 2pi)

This is just a simple question that I can't figure out. Help me please!

Solve 0= sin (pi)x + cos(pi)x for the interval (-1,3)

The circular arc of a railroad curve has a chord of length 2500 feet corresponding to a central angle of 35". Find the length s of the circular arc. If needed, use 3.14 for π. Round to the...

After leaving the runway, a plane's angle of ascent is 15 degrees and its speed is 272 feet per second. How many minutes will it takefor the airplane to climb to a height of 14,000 feet? Round anwer...

In exercises 37-42, find (a) sin θ, (b) cos θ, and (c) tan θ for the given quadrantal angle. If the value is undefined, write "undefined."    38. -270°   40...

I just need help. If someone could give me the answer as well as explain it, that would be amazing

Please show all work so I can understand how to do it this is my last problem and I am stuck.

Given then equation f(x)=-6x-2, determine f(4)   Evaluate f(-2) for the function f(x)= 4x squared-x+5

Need to know slope for each set of points A+B          C+D          E+F          G+H

the third term is 10 and the fifth term is 16.   a) find the common difference   b) find the first term   c) find the sum the first 20th term of the sequenc...

Find the asymptotes for p(x)=-4x-1/x-5

sixcos2x + cosx sin2x = 0

wondering how to figure out if this equation is linear or non linear

f(x) = 8x - 5, g(x) = 2x+6 Find (fg)(x).

limx+1/x^2-x-2 x-->2                           table  x   1.9   1.99  1.999  2...

The Cruiser Bicycle Company makes two styles of bicycles: the Traveler, which sells for \$200, and the Tourister, which sells for \$600. Each bicycle has the same frame and tires, but the assembly and...

Help, both boats leave at the same time!

Solve for x: sin (inverse) x + sin (inverse) 2x = pi/3   [ sin (inverse) refers to the inverse function of sine. Also written as sin^-1 ]