document.write( "Question 1203100: Rewrite cos(x-7pi/4) in terms of sin(x) and cos(x) \n" ); document.write( "

Algebra.Com's Answer #838387 by ikleyn(52804) $\"\"$ $\"About$

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\n" ); document.write( "Rewrite cos(x-7pi/4) in terms of sin(x) and cos(x)
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document.write( "Use the formula of difference of arguments for the cosine function\r\n" );
document.write( "in combination with table values of sine and cosine functions\r\n" );
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document.write( "     =  +  = \r\n" );
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document.write( "                 =  - .    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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