Algebra Ii Unit: Trigonometry Review Sheet
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1
2
3Name: ______________________ Date: ________
ALGEBRA II Unit: Trigonometry Review Sheet
1) Write the 3 trigonometric ratios.
Sin θ = ----------------
Cos θ = ----------------
Tan θ = ---------------
Csc θ = ----------------
Sec θ = ----------------
Cot θ = ---------------
2) What MODE should your calculator be in: __________________. How do you check?
3) Use your calculator to find the following values. Round to the nearest hundredth.
sin 25° =_______
tan 17° = _______
cos 48° = _______
4) Use your calculator to find the following values. Round to the nearest degree.
3
2
9
α
β
θ
________ cos
=
_______ sin
=
________ tan
=
4
11
7
Use the given triangle to determine the following ratios.
α
α
α
5. sin
=
6. cot
=
15
9
α
α
7. tan
=
8. csc
=
β
12
α
α
9. cos
=
10. sec
=
For each problem, set up the equation and solve for the variable. Round to the nearest hundredth for sides,
and nearest degree for angles.
11.
12.
13.
a
41°
27°
b
8
27
b
15
59°
b
Set up equation:
Set up equation:
Set up equation:
Solution: b = _________
Solution: b = _________
Solution: a = _________
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