Post a New Question

Advanced Math

posted by on .

Solve 4sin^2 x + 4sqrt(2) cos x-6 = 0 for all real values of x.

My answer: (pi/4)+2(pi)k, (7pi/4) + 2(pi)k

Solve 2cos^2 x-5cosx+2=0 for principal values of x.

My answer: 60 and 300 degrees.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question