Prove 1+cot^2x/cotxcscx=1/cosx and show the process

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?