Use the given conditions. cos(u) = 5/13, 0

Question

Use the given conditions.
cos(u) = 5/13, 0<u<π/2
(a) Determine the quadrant in which u/2 lies.
Quadrant I
Quadrant II
Quadrant III
Quadrant IV
(b) Find the exact values of sin(u/2), cos(u/2), and tan(u/2) using the half-angle formulas.
sin(u/2)=
cos(u/2) =
tan(u/2)=

Kunduz · Accepted Answer

Click to see the answer

Use the given conditions. cos(u) = 5/13, 0<u<π/2 (a)