Math 442 – Trig review assignment
January 19, 2016
1. Find missing sides and angles.
2. Find the measure of the largest angle. Find the area of triangle ABC.
3. Solve on the interval [ 0,2p ) .
4. Simplify:
5. Prove:
2sin2 x - cos x = 1
sin x + cot x ×cos x
cos x ( sec x - cos x ) = sin2 x
6. Prove:
2 tan x sec x =
1
1
1- sin x 1+ sin x
7. In
, a = 20, c = 16, and m<A = 30º. How many distinct triangles can be drawn given these
measurements?