Understanding the Sine of 12 Degrees

What formula is used to find the exact value of sine 12 degrees in the video?

• Quotient formula for sine

• Product formula for sine

• Difference formula for sine

• Sum formula for sine

Which two sine values are used in the video to find sine 12 degrees?

• Sine of 18 and sine of 72

• Sine of 45 and sine of 90

• Sine of 15 and sine of 75

• Sine of 30 and sine of 60

How is the cosine of 72 degrees expressed in terms of sine in the video?

• As sine of 18 degrees

• As sine of 72 degrees

• As sine of 60 degrees

• As sine of 30 degrees

What is the relationship between sine and cosine used in the video?

• Sine of an angle equals cosine of the same angle

• Sine of an angle equals cosine of its complement

• Sine of an angle equals cosine of its double

• Sine of an angle equals cosine of its half

What is the final step in verifying the exact value of sine 12 degrees?

• Using a ruler

• Using a compass

• Using a calculator

• Using a protractor