Use the reciprocal and quotient identities to find LaTeX: \cos\thetacos ⁡ θ if LaTeX: \tan\theta=\frac{\sqrt[]{2}}{2}tan ⁡ θ = 2 2 and LaTeX: \sin\theta=-\frac{\sqrt[]{3}}{3}sin ⁡ θ = − 3 3 .

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.