Given cos 0 = 4V2/7, find sin 0.
sin 0 =
V[?]/?

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

If value of cos330° is √3/2 then find tan165°.

Find the missing factor. write your answer inexponential form.9^2=9^4×