What is the difference between linear factor and linear term?

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

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?