The Exact Value for Sine of 57 Degrees, sin(57)

Описание к видео The Exact Value for Sine of 57 Degrees, sin(57)

This video works to determine the exact value of the sine of 57 degrees. It uses the difference formula for sine and employs four values of sine that have previously been calculated from scratch in other videos:

sin(15) -    • The Exact Value for Sine of 15 Degree...  
sin(18) -    • The Exact Value for Sine of 18 Degree...  
sin(72) -    • The Exact Value for Sine of 72 Degree...  
sin(75) -    • The Exact Value for Sine of 75 Degree...  

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