http://www.mathhelpforum.com/math-he...-tutorial.html
Please post one question per thread with your attempts at each question
1. 4cos^2 3x = 1
2. cos(2x-pi/2)=root2/2
3. cos2x=sinx+1
4. sin6xcosx-cos6xsinx= - root3/2
4. cos2x-4=3cosx-4sin^2x
Please explain to me how to solve these!!
Also, how can i type the root or squares out like I see people do in this forum? or is it an image?
http://www.mathhelpforum.com/math-he...-tutorial.html
Please post one question per thread with your attempts at each question