What are the stages in from Beginner to Genius (you should be a genius to answer or else I can't really trust you).

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next

Angle that produces maximum distance