document.write( "Question 1032964: Use the sum or difference identities to find the exact value of the trigonometric function.
\n" ); document.write( "sin(735 degrees) \n" ); document.write( "

Algebra.Com's Answer #647584 by ikleyn(52790) $\"\"$ $\"About$

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\n" ); document.write( "Use the sum or difference identities to find the exact value of the trigonometric function.
\n" ); document.write( "sin(735 degrees)
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document.write( "sin(735°) = sin(720° + 15°) = sin(15°),   since sine is periodical function with the period of 360°.\r\n" );
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document.write( "sin(15°) =  =   (formula of half argument for sine, see the lesson  Trigonometric functions of half argument  in this site)\r\n" );
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document.write( "=  =  = .\r\n" );
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document.write( "See also the lesson  Trigonometric functions of half argument - Examples,  Example 2. \r\n" );
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