If tan θ =1/√5 , Evaluate: cosec^2θ−cot^2θ / cosec^2θ + cot^2θ

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

The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only