Write each function in terms of its cofunction. Assume all angles involved are acute angles. See Example 2. sin 45°

Determine whether each statement is true or false. If false, tell why. tan 60° ≥ cot 40°

Determine whether each statement is true or false. If false, tell why. csc 22° ≤ csc 68°

Determine whether each statement is true or false. See Example 4. tan 28° ≤ tan 40°

Determine whether each statement is true or false. See Example 4. cot 30° < tan 40°

Determine whether each statement is true or false. See Example 4. csc 20° < csc 30°

Give the exact value of each expression. See Example 5. tan 30°

Give the exact value of each expression. See Example 5. sin 30°