document.write( "Question 588979: Find the exact value:(without Calculator) Please show me how, i have an exam coming up! thank you in advance!
\n" ); document.write( "a) 2sin*2pie/3)-4tan*3pie/4
\n" ); document.write( "b) 4tan*5pie/3+7cos*(-pie/4)
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Algebra.Com's Answer #374727 by lwsshak3(11628)\"\" \"About 
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Find the exact value:(without Calculator) Please show me how, i have an exam coming up! thank you in advance!
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\n" ); document.write( "a) 2sin*2pie/3)-4tan*3pie/4
\n" ); document.write( "=2sin(2π/3)-4tan(3π/4)
\n" ); document.write( "=2*√3/2-4*-1=√3+4
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\n" ); document.write( "b) 4tan*5pie/3+7cos*(-pie/4)
\n" ); document.write( "=4tan(5π/3)+7cos(-π/4)
\n" ); document.write( "=4*-√3+7*-√2/2
\n" ); document.write( "=-4√3-7√2/2
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