Which is equal to sin 90°? a. tan 90 degrees
b. cos 90 degrees
c. sin 0 degrees
D. cos 0°

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.