Which is a line of symmetry

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

The square root of 9x plus 7 plus the square rot of 2x equall to 7