Question 1

If a = 7, b = 11, and c = 13.04, express tan A as a decimal to the nearest ten-thousandth.

Accepted Answer

A) 0.5368 
B) 1.5714 
C) 1.1855 
D) 0.6364 
A) 0.5368 
B) 1.5714 
C) 1.1855 
D) 0.6364

Question 2

Find tan A as a fraction in lowest terms if a = 9, b = 12, and c = 15.

Accepted Answer

A)  $\frac { 4 } { 5 }$ 
B)  $\frac { 3 } { 5 }$ 
C)  $\frac { 3 } { 4 }$ 
D)  $\frac { 4 } { 3 }$ 
A)  $\frac { 4 } { 5 }$ 
B)  $\frac { 3 } { 5 }$ 
C)  $\frac { 3 } { 4 }$ 
D)  $\frac { 4 } { 3 }$

Question 3

Find sin A to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Accepted Answer

A) 0.8788 
B) 0.8485 
C) 0.4727 
D) 1.8591 
A) 0.8788 
B) 0.8485 
C) 0.4727 
D) 1.8591

Question 4

Use the sine function to find the indicated part of triangle ABC. Round to the nearest 0.1°. Find A if c = 3.7 in. and b = 2.6 in.

Accepted Answer

A) 45.4o 
B) 0.7o 
C) 2.6o 
D) 44.6o 
A) 45.4o 
B) 0.7o 
C) 2.6o 
D) 44.6o

Question 5

Use a calculator to find sin 1.0327. Round to four significant digits.

Accepted Answer

The answer of Use a calculator to find sin 1.0327....

Question 6

Find a rounded to four significant digits if c = 3.5 cm and B = 76.3°.

Accepted Answer

A) 14.36 cm 
B) 14.78 cm 
C) 3.400 cm 
D) 0.8289 cm 
A) 14.36 cm 
B) 14.78 cm 
C) 3.400 cm 
D) 0.8289 cm

Question 7

Use a calculator to find sin 54° rounded to the nearest ten-thousandth.

Accepted Answer

A) 0.8090 
B) -1.7896 
C) -0.5588 
D) 1.2361 
A) 0.8090 
B) -1.7896 
C) -0.5588 
D) 1.2361

Question 8

Use the cosine function to find c of a standard right triangle ABC given A = 23° and b = 0.2372 mm. Round to four significant digits.

Accepted Answer

A) 3.881 mm 
B) 0.2183 mm 
C) 0.6071 mm 
D) 0.2577 mm 
A) 3.881 mm 
B) 0.2183 mm 
C) 0.6071 mm 
D) 0.2577 mm

Question 9

Find 8 to the nearest ten-thousandth of a radian if tan 8 = 2.6051.

Accepted Answer

The answer of Find 8 to the nearest ten-thousandth of...

Question 10

In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find a if A = 43° and c = 18 m.

Accepted Answer

The answer of In right triangle ABC with right angle...

Question 11

In right triangle ABC, with right angle C, side a = 4.5, b = 5.4, and c = 7, find the sin A.
Round answer to nearest ten-thousandth.

Accepted Answer

The answer of In right triangle ABC, with right angle...

Question 12

Find sin 43.6° to the nearest ten-thousandth.

Accepted Answer

A) 0.6896 
B) 0.9523 
C) -0.3731 
D) 0.7242 
A) 0.6896 
B) 0.9523 
C) -0.3731 
D) 0.7242

Question 13

In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find c if a = 8 in. and b = 5.4 in.

Accepted Answer

The answer of In right triangle ABC with right angle...

Question 14

Determine the degree measure of 8 if tan 8 = 0.7022 rounded to the nearest tenth.

Accepted Answer

A) 54.9° 
B) 35.1° 
C) 45.4° 
D) 0.6° 
A) 54.9° 
B) 35.1° 
C) 45.4° 
D) 0.6°

Question 15

Find tan A to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Accepted Answer

A) 1.8591 
B) 1.1379 
C) 0.5379 
D) 1.8590 
A) 1.8591 
B) 1.1379 
C) 0.5379 
D) 1.8590

Question 16

In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find b if A = 65.5° and c = 6 m.

Accepted Answer

The answer of In right triangle ABC with right angle...

Question 17

In right triangle ABC with right angle C, find the indicated part. Round to the nearest 0.1°.
Find A if a = 10 m and c = 12 m.

Accepted Answer

The answer of In right triangle ABC with right angle...

Question 18

Find cos A and round to the nearest ten-thousandth if a = 12, b = 10, and c = 15.6.

Accepted Answer

A) 0.7692 
B) 0.8333 
C) 0.6410 
D) 1.200 
A) 0.7692 
B) 0.8333 
C) 0.6410 
D) 1.200

Question 19

Find tan B to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Accepted Answer

A) 0.4727 
B) 0.5379 
C) 1.8591 
D) 0.8788 
A) 0.4727 
B) 0.5379 
C) 1.8591 
D) 0.8788

Question 20

Find csc B to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Accepted Answer

A) 1.1379 
B) 0.8788 
C) 2.1154 
D) 0.4727 
A) 1.1379 
B) 0.8788 
C) 2.1154 
D) 0.4727

If a = 7, b = 11, and c = 13.04, express tan A as a decimal to the nearest ten-thousandth.

Find tan A as a fraction in lowest terms if a = 9, b = 12, and c = 15. $Find tan A as a fraction in lowest terms if a = 9, b = 12, and c = 15.$

Find sin A to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Use the sine function to find the indicated part of triangle ABC. Round to the nearest 0.1°. Find A if c = 3.7 in. and b = 2.6 in.

Use a calculator to find sin 1.0327. Round to four significant digits.

Find a rounded to four significant digits if c = 3.5 cm and B = 76.3°.

Use a calculator to find sin 54° rounded to the nearest ten-thousandth.

Use the cosine function to find c of a standard right triangle ABC given A = 23° and b = 0.2372 mm. Round to four significant digits.

Find 8 to the nearest ten-thousandth of a radian if tan 8 = 2.6051.

In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find a if A = 43° and c = 18 m.

In right triangle ABC, with right angle C, side a = 4.5, b = 5.4, and c = 7, find the sin A. Round answer to nearest ten-thousandth.

Find sin 43.6° to the nearest ten-thousandth.

In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find c if a = 8 in. and b = 5.4 in.

Determine the degree measure of 8 if tan 8 = 0.7022 rounded to the nearest tenth.

Find tan A to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find b if A = 65.5° and c = 6 m.

In right triangle ABC with right angle C, find the indicated part. Round to the nearest 0.1°. Find A if a = 10 m and c = 12 m.

Find cos A and round to the nearest ten-thousandth if a = 12, b = 10, and c = 15.6.

Find tan B to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Find csc B to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Review of Basic Concepts

Review of Fractions

Percents

Measurement

Signed Numbers and Powers of 10

Statistics

Linear Equations and Inequalities

Formulas, Proportion, and Variation

Linear Equations, Functions, and Inequalities in Two Variables

Systems of Linear Equations

Powers and Polynomials

Roots and Radicals

Factoring

Rational Expressions, Equations, and Inequalities

Quadratic and Other Nonlinear Equations and Inequalities

Exponential and Logarithmic Equations

Geometry

Triangles

Trigonometry With Any Angle

Filters

Exam 19: Right-Triangle Trigonometry

If a = 7, b = 11, and c = 13.04, express tan A as a decimal to the nearest ten-thousandth.

Find tan A as a fraction in lowest terms if a = 9, b = 12, and c = 15.

Find sin A to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Use the sine function to find the indicated part of triangle ABC. Round to the nearest 0.1°. Find A if c = 3.7 in. and b = 2.6 in.

Use a calculator to find sin 1.0327. Round to four significant digits.

Find a rounded to four significant digits if c = 3.5 cm and B = 76.3°.

Use a calculator to find sin 54° rounded to the nearest ten-thousandth.

Use the cosine function to find c of a standard right triangle ABC given A = 23° and b = 0.2372 mm. Round to four significant digits.

Find 8 to the nearest ten-thousandth of a radian if tan 8 = 2.6051.

In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find a if A = 43° and c = 18 m.

In right triangle ABC, with right angle C, side a = 4.5, b = 5.4, and c = 7, find the sin A. Round answer to nearest ten-thousandth.

Find sin 43.6° to the nearest ten-thousandth.

In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find c if a = 8 in. and b = 5.4 in.

Determine the degree measure of 8 if tan 8 = 0.7022 rounded to the nearest tenth.

Find tan A to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find b if A = 65.5° and c = 6 m.

In right triangle ABC with right angle C, find the indicated part. Round to the nearest 0.1°. Find A if a = 10 m and c = 12 m.

Find cos A and round to the nearest ten-thousandth if a = 12, b = 10, and c = 15.6.

Find tan B to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Find csc B to the nearest ten-thousandth if a = 14.5, b = 7.8, and c = 16.5.

Review of Basic Concepts

Review of Fractions

Percents

Measurement

Signed Numbers and Powers of 10

Statistics

Linear Equations and Inequalities

Formulas, Proportion, and Variation

Linear Equations, Functions, and Inequalities in Two Variables

Systems of Linear Equations

Powers and Polynomials

Roots and Radicals

Factoring

Rational Expressions, Equations, and Inequalities

Quadratic and Other Nonlinear Equations and Inequalities

Exponential and Logarithmic Equations

Geometry

Triangles

Trigonometry With Any Angle

Filters

Find tan A as a fraction in lowest terms if a = 9, b = 12, and c = 15. $Find tan A as a fraction in lowest terms if a = 9, b = 12, and c = 15.$