1. Warmup
Solve 3 sin θ - 2 cos 2 θ =0 for all values of θ if θ is measured in degrees.
A 30° + 360°k, 120°+ 360°k
B 30°+360°k, 150° +360°k
C 150° + 360°k, 330° + 360°k
D 30°+ 360°k, 330° + 360°k

2. 10-3 Geometric Sequences and Series
Use geometric sequences.
Find sums of geometric sequences.

4. Write an equation for the nth term of the geometric sequence.

5. Write an equation for the nth term of the geometric sequence
Write an equation for the nth term of the geometric sequence. (CONNECTED.MCGRAW-HILL.COM)

6. Geometric means: terms between two nonconsecutive terms of a geometric sequence. (NOT an average!) Use r to find.
Find the geometric means for the sequence.

7. Geometric series: sum of the terms of a geometric sequence.
Partial sum: sum of first n terms, denoted Sn

10. Find a1 for the geometric series described.