Question

Please help With Precalc Questions really need help!!
1 .Prove the following trigonomic identites
A. Sectheta/tantheta=csctheta


B. (secx+tanx)(1-sinx/cosx)-1



C. 2/sqrt3cosx+sinx=sec(pi/6-x)


D. tan(theta/2)=sinthet/1+costheta for theta in quadant 1

2. Solve the following equations

A. -sin^2x=2cosx-2


B. 2sin(2x)-2sinx+2sqrt3cosx-sqrt3=0


C. csc(4x)-2=0


D. cos^2(2x)-sin^2(2x)=0


E. sin(2x)-sinx


3. solve sin^2xcos^2x=1-cos4x/theta


4. Find all the solutions to the equation
sin^2xcos^2x=2-sqrt2/16


5. Use half angle formulas to find the exac

Answer 1

You need to have been solved all of them?

Answer 2

I can do only A and B for you, have not got much time!

Answer 3

It would help if you could do as much as you can but if you can do some of it i would really appreciate it.