# 11.8.3. The Trigonometric Functions of the Double-Angle

Without using a calculator, find the value of .

• A
• B
• C
• D
Show Solution

Without using a calculator, find the value of .

• A
• B
• C
• D
Show Solution

Without using a calculator, find the value of .

• A
• B1
• C
• D
Show Solution

Determine the value of without using a calculator.

• A
• B
• C
• D
Show Solution

Given that , where , determine without using calculator.

• A
• B
• C
• D
Show Solution

Without using a calculator, find the value of .

• A
• B
• C
• D
Show Solution

Without using a calculator, find the value of .

• A
• B
• C
• D
Show Solution

Given that , where , find the value of without using a calculator.

• A
• B
• C
• D
Show Solution

Given that , where , find the value of without using a calculator.

• A
• B
• C
• D
Show Solution

Determine the trigonometric ratio of .

• A
• B
• C
• D
Show Solution

.

• A
• B
• C2
• D
Show Solution

Given that , where , find the value of without using the calculator.

• A
• B
• C
• D
Show Solution