Assignment 2 Questions for Plane Trigonometry | MATH 111, Assignments of Trigonometry

Material Type: Assignment; Class: Plane Trigonometry; Subject: Mathematics Main; University: University of Arizona; Term: Unknown 1989;

Typology: Assignments

Pre 2010

Uploaded on 08/30/2009

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Math 111, Supplemental Assignment #2
1. (Algebra warm-up)
a) Solve for h:
5.
20
h
h
[First, multiply both sides of the equation by the quantity (20+h). Next, use the
distributive property, collect like terms, etc.]
b) Solve for h:
8.
5.200
h
h
c) Solve for h:
79.
26.1300
h
h
pf3
pf4

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Math 111, Supplemental Assignment

1. (Algebra warm-up)

a) Solve for h:.^5

h h

[First, multiply both sides of the equation by the quantity (20+h). Next, use the

distributive property, collect like terms, etc.]

b) Solve for h:.^8

h h

c) Solve for h:.^79

h h

Find h. (Use the steps below.)

2. a) Make a rough sketch of triangle BCD. Note that this is a right triangle.

b) Write a trigonometric equation using tan 40  and sides x and h.

c) Use your calculator to get an approximate value for tan 40 ^. Round to 2 decimal

places.

d) Substitute your decimal approximation for tan 40  in the equation. Solve this

equation for x. Your result will be an expression involving h. You will need this

expression later.

4. a) Do #23 on page 83.

b) Do #24 on page 83.