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Supplemental #14 Solving trigonometric functions part 2 (7/15/20) Due 7/16/20 @3pm

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24 questions

#14 Solving trigonometric functions part 2 (7/15/20) Due 7/16/20 @3pm

Watch the video below to learn about the three basic trigonometric functions.

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This video will help you to solve the missing values of any right triangle.

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Essential Question: How can we use the sides of a right triangle to find the measure of its angles?

Learning Target: Students will apply trigonometric ratios to solve the measure of the angles of a right triangle to solve real-world problems.

Show your work and use complete sentences for credit.

Pitanje 1
1.

What is the value of sin B ? (fraction)

Pitanje 2
2.

What is the value of tan A ? (fraction)

Pitanje 3
3.

What is the value of cos B ? (fraction)

How to use Desmos Scientific Calculator to find the value of trigonometric functions.

Pitanje 4
4.

Match the right trig function to its decimal equivalent rounded to the nearest four decimal places. (Use a calculator)

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

cos 12

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.5774

sin 45

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.5

tan 89

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.8660

cos 61

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1

sin 56

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.7071

tan 45

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.9748

sin 30

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57.2897

cos 30

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.4848

tan 73

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.8290

tan 30

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3.2709

Pitanje 5
5.

Simplify the folllowing expressions to its decimal equivalent rounded to the nearest four decimal places . (Use a calculator)

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

arrow_right_alt

9.2376

47(cos 30)

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6.5

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40.7032

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.0589

2.5(tan 45)

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2.5

(12.2)cos 61

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0.0152

16(tan 30)

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88.0184

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5.9147

21tan 73

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53.6127

13sin 30

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68.6879

Pitanje 6
6.

Solve the equation:

Round your answer to the nearest hundredth.

Pitanje 7
7.

Solve the equation:

Round your answer to the nearest hundredth.

Pitanje 8
8.

Solve the equation:

Round your answer to the nearest hundredth.

Pitanje 9
9.

Which trigonometric ratio should you use to solve for the height of the plane?

Pitanje 10
10.

Put the steps in the correct order to solve for the height of the plane.

  1. height of plane=866.03 m

Pitanje 11
11.

Which trigonometric ratio should you use to solve for the height of the tree?

Pitanje 12
12.

Put the steps in the correct order to solve for the height of the tree?

  1. height of tree=62.93 feet

Pitanje 13
13.

Which trig ratio should you use to solve for side BC?

This how you use the Desmos Scientific calculator to simplify trig expressions

Pitanje 14
14.

What is the length of side BC? Round your answer to the nearest hundredth. (two decimal places)

Pitanje 15
15.

Which trig ratio should you use to solve for side BA?

This how you use the Desmos Scientific calculator to simplify trig expressions

Pitanje 16
16.

What is the length of side BA? Round your answer to the nearest hundredth. (two decimal places)

Finding the measure of the angles of a right triangle using the the ratio of its sides

Pitanje 17
17.

Find each acute angle measure, to the nearest degree:

m∠P

Pitanje 18
18.

Find each acute angle measure, to the nearest degree:

m∠Q

Pitanje 19
19.

Find each acute angle measure, to the nearest degree:

m∠U

Pitanje 20
20.

Find each acute angle measure, to the nearest degree:

m∠W

Pitanje 21
21.

Find each acute angle measure, to the nearest degree:

m∠1

Pitanje 22
22.

Find each acute angle measure, to the nearest degree:

m∠2

Pitanje 23
23.

Pitanje 24
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