document.write( "Question 181623: I have a right triangle with side a=7 and side b=5. What is the value of sin A? \n" ); document.write( "
Algebra.Com's Answer #136256 by stanbon(75887)\"\" \"About 
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I have a right triangle with side a=7 and side b=5. What is the value of sin A?
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\n" ); document.write( "You need to solve for \"c\" which I assume is the hypotenuse.
\n" ); document.write( "c = sqrt(7^2 + 5^2)\r
\n" ); document.write( "\n" ); document.write( "c = sqrt(49 + 25)\r
\n" ); document.write( "\n" ); document.write( "c = sqrt(74)
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\n" ); document.write( "If c is the hypotenuse, sin(A) = a/c = 7/sqrt(74)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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