Question

Solve the following for the principal values of the indicated variable.
1. 3cosx-1=2
2. 2sin(2x)-sq.root of 3=0
3. tan^2 x-1=0

Answer 1

1. COSX=1 SOOO X=1/COS or just leave it as cosx=1
2. sin2x=sq.root of 3 over 2
3. tanx=1
tell me if i missed something

Answer 2

are these the answers?

Answer 3

yeah....am i missing something?

Answer 4

No I mean you could be right I just don't know how you got those answers

Answer 5

ohhh ok...pretty much just treat it as if u were trying to find what cosx was....

Answer 6

isolate it to one side and what not

Answer 7

okay thanks so much

Answer 8

no prob