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solve for x where 0<=x<=2pi tan 2x=3tanx

solve for x where 0<=x<=2pi cos2x = 5 sin^2x -cos^2x

4 sin pi/6 cos pi/6 : does the answer come up to square root of 3? sin 5 pi/12 cos 5pi/12: for this one i got 1 are the answers right? wait for the 2nd question, i got 1/2...since the formula is sin2(fata)

cos2x = cosx+2 solve for x where 0degrees <= x <= 360 degrees tan^2(x-10) =3 btw 10 is in degrees for the 2nd problem

I have ALWAYS had freshwater fish, but my husband and I were looking at saltwater fish this weekend. I would like to put our current fish into a fresh water tank in my daughters room and convert our (currently freshwater) aquarium into a saltwater tank. Can you use a previously freshwater tank...