3 Apply the Sine and Cosine Ratios

Aug 21, 2013 · The sine of (A and cosine of (A (written sin A and cos A) are defined as follows: Your Notes. Example 1. Find sine ratios. Find sin U and sin W. Write each answer as a fraction and as a decimal rounded to four places. Solution. sin U = = = = ( _0.4706_ sin W = = = = ( _0.8824_ Example 2. Find cosine ratio ................
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