Simplify the following expression. cot^2x secx-cosx

ANSWER

EXPLANATION

The given expression is;

Change everything to

and

This implies that,

Cancel the common factors,

x equals 1

step-by-step explanation:

f(4)=f(×)

x=1

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.