Which is bigger 500 ft or 40 ft?

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

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

X2 + y 2 = 36 x + y = 6 solve the system of equations.