document.write( "Question 930588: Find the exact value of the given functions.\r
\n" ); document.write( "\n" ); document.write( "Given tan α = -4/3, α in Quadrant II, and tan β = 24/7, β in Quadrant III, find:\r
\n" ); document.write( "\n" ); document.write( "[a] sin(α − β)\r
\n" ); document.write( "\n" ); document.write( "[b] cos(α + β)\r
\n" ); document.write( "\n" ); document.write( "[c] tan(α − β)
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Algebra.Com's Answer #565130 by ewatrrr(24785)\"\" \"About 
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tan α = -4/3, α in Quadrant II
\n" ); document.write( "sin α = 4/5, cos α = -3/5
\n" ); document.write( "...........
\n" ); document.write( "tan β = 24/7, β in Quadrant III,
\n" ); document.write( "sin β = -24/25, cos β = -7/25
\n" ); document.write( "..... Plug and Play
\n" ); document.write( "sin(α − β)=
\n" ); document.write( "sin(x - y) = sin x cosy - cos x sin y
\n" ); document.write( ".......Plug and Play
\n" ); document.write( "cos(α + β)=
\n" ); document.write( "cos(x - y) = cos x cos y + sin x sin y
\n" ); document.write( ".........Plug and Play
\n" ); document.write( "tan(x - y) = tan x - tan y)/(1- tan x tan y
\n" ); document.write( "tan(α − β) =
\n" ); document.write( "..........
\n" ); document.write( "(cosx, sinx) Summary Unit Circle
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