suppose sin(A)=2/5. Use the trig identity sin^2(A)+cos^2(A)=1 to find cos(A) in quadrant 1. Round to ten-thousandth.

What additional information could be used to prove that δxyz ≅ δfeg using asa or aas? check all that apply. ∠z ≅ ∠g and xz ≅ fg ∠z ≅ ∠g and ∠y ≅ ∠e xz ≅ fg and zy ≅ ge xy ≅ ef and zy ≅ fg ∠z ≅ ∠g and xy ≅ fe

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x