Pre-Calculus – Algebra Review
ALGEBRA
Simplify.
€
1.
5+
2.
3.
Name: ________________________
Simplify.
3
5
Trig
1
cot θ
1.
cot θ +
3
4
+
4
3
2.
sin x
cos x
+
cos x
sin x
1
1
–
1 − x 1+ x
3.
1
1
–
1+ sin x 1 − sin x
4.
€ y 1
x⋅ ⋅
x y
€
5.
7
⋅ 15
30
€
6.
€
€
4.
cos b (tan b) (csc b)
5.
cot2 v (sin v)
(x + y)2
6.
2
(cos β + sin β)
7.
(3x – 4)2 – (3x + 4)2
7.
(cos x + 1)2 – (cos x – 1)2
8.
Factor xy + 2x
8.
Factor cos x sin y + cos x tan y
9.
Factor x2 – 9
9.
Factor 4sin2α – cos2α
10. Factor 3x2 – 12x
10.
Factor 3sin2x – 48sin x
11. Factor 4x2 – 4x + 1
11.
Factor cos2x + 2 cos x + 1