document.write( "Question 975043: If Asin^2θ + Bcos^2θ = C, express sinθ and cosθ in terms of A, B and C \n" ); document.write( "
Algebra.Com's Answer #596867 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
\"A%2Asin%5E2%28theta%29+%2B+B%2Acos%5E2%28theta%29\"\"%22%22=%22%22\"\"C\"\r
\n" ); document.write( "\n" ); document.write( "Use the identity \"cos%5E2%28theta%29=1-sin%5E2%28theta%29\"\r
\n" ); document.write( "\n" ); document.write( "\"A%2Asin%5E2%28theta%29+%2B+B%2A%281-sin%5E2%28theta%29%29\"\"%22%22=%22%22\"\"C\"\r
\n" ); document.write( "\n" ); document.write( "\"A%2Asin%5E2%28theta%29+%2B+B-B%2Asin%5E2%28theta%29\"\"%22%22=%22%22\"\"C\"\r
\n" ); document.write( "\n" ); document.write( "\"A%2Asin%5E2%28theta%29-B%2Asin%5E2%28theta%29\"\"%22%22=%22%22\"\"C-B\"\r
\n" ); document.write( "\n" ); document.write( "\"sin%5E2%28theta%29%2A%28A-B%29\"\"%22%22=%22%22\"\"C-B\"\r
\n" ); document.write( "\n" ); document.write( "\"sin%5E2%28theta%29\"\"%22%22=%22%22\"\"%28C-B%29%2F%28A-B%29\"\r
\n" ); document.write( "\n" ); document.write( "\"sin%28theta%29\"\"%22%22=%22%22\"\"%22%22+%2B-+sqrt%28%28C-B%29%2F%28A-B%29%29\"\r
\n" ); document.write( "\n" ); document.write( "-------------------------------\r
\n" ); document.write( "\n" ); document.write( "\"A%2Asin%5E2%28theta%29+%2B+B%2Acos%5E2%28theta%29\"\"%22%22=%22%22\"\"C\"\r
\n" ); document.write( "\n" ); document.write( "Use the identity \"sin%5E2%28theta%29=1-cos%5E2%28theta%29\"\r
\n" ); document.write( "\n" ); document.write( "\"A%2A%281-cos%5E2%28theta%29%29+%2B+B%2Acos%5E2%28theta%29\"\"%22%22=%22%22\"\"C\"\r
\n" ); document.write( "\n" ); document.write( "\"A-A%2Acos%5E2%28theta%29+%2B+B%2Acos%5E2%28theta%29\"\"%22%22=%22%22\"\"C\"\r
\n" ); document.write( "\n" ); document.write( "\"-A%2Acos%5E2%28theta%29+%2B+B%2Acos%5E2%28theta%29\"\"%22%22=%22%22\"\"C-A\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%5E2%28theta%29%2A%28-A%2BB%29\"\"%22%22=%22%22\"\"C-A\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%5E2%28theta%29\"\"%22%22=%22%22\"\"%28C-A%29%2F%28-A%2BB%29\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%28theta%29\"\"%22%22=%22%22\"\"%22%22+%2B-+sqrt%28%28C-A%29%2F%28-A%2BB%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"cos%28theta%29\"\"%22%22=%22%22\"\"%22%22+%2B-+sqrt%28%28C-A%29%2F%28B-A%29%29\"\r
\n" ); document.write( "\n" ); document.write( "Edwin
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