Trigonometric Functions of Acute Angles

• Example 1
  • Solution
• The Reciprocal Identities
• Example 2
  • Solution
• Similar Triangles
• Example 3
  • Solution
• Trigonometric Function Values of
  30^0;,
  45^0;, and
  60^0;
• Example 4
  • Solution
• Measuring Angles in Degrees, Minutes, Seconds
• Example 5
  • Solution
• Example 6
  • Solution
• Example 7
  • Solution
• Example 8
  • Solution
• Example 9
  • Solution
• The Cofunction Identities
• Example 10
  • Solution

Example 1

Solution

The Reciprocal Identities

Example 2

Solution

Similar Triangles

Example 3

Solution

Trigonometric Function Values of , , and

 

Example 4

Solution

Measuring Angles in Degrees, Minutes, Seconds

Example 5

Solution

Example 6

Solution

Example 7

Solution

Example 8

Solution

Example 9

Solution

 

The Cofunction Identities

Example 10

Solution