Trigonometric Functions and Angle Conversion

The video tutorial covers the use of a calculator to solve trigonometric problems, including finding values for cosine, sine, and tangent functions. It also explains how to convert degrees into degrees and minutes, and how to calculate angles using trigonometric functions. The tutorial provides step-by-step instructions for each calculation, ensuring the results are rounded to the nearest degree or minute as required.

What is the primary tool used to solve the trigonometric problems in the video?

• Compass

• Calculator

• Protractor

• Ruler

What is the value of cosine 85 degrees rounded to two decimal places?

• 0.42

• 0.70

• 0.12

• 0.09

What is the value of sine 7 degrees rounded to two decimal places?

• 0.09

• 0.42

• 0.12

• 0.70

What is the value of tangent 35 degrees rounded to two decimal places?

• 0.09

• 0.42

• 0.70

• 0.12

What is the value of cosine 65 degrees rounded to two decimal places?

• 0.09

• 0.12

• 0.42

• 0.70

What is the value of tangent 23 degrees rounded to two decimal places?

• 0.09

• 0.12

• 0.70

• 0.42

Convert 17.8 degrees to degrees and minutes.

• 17° 48'

• 17° 50'

• 18° 48'

• 18° 50'

Convert 48.52 degrees to degrees and minutes.

• 48° 31'

• 49° 32'

• 49° 31'

• 48° 32'

Convert 63.7 degrees to degrees and minutes.

• 64° 42'

• 63° 43'

• 63° 42'

• 64° 43'

Convert 108.33 degrees to degrees and minutes.

• 109° 20'

• 109° 19'

• 108° 20'

• 108° 19'