document.write( "Question 1133682: If sin A=6÷13 and sec B=13/6 then A+B is equal to
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document.write( "Show solution without calculator
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document.write( "150°
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document.write( "90°
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document.write( "60°
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document.write( "45° \n" );
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Algebra.Com's Answer #750926 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "I will assume these angles are less than 90 degrees each; otherwise there are an infinite number of values for the sum of the measures of A and B. \n" ); document.write( "sinA = 6/13 and secB = 13/6 --> sinA = 6/13 and cosB = 6/13. \n" ); document.write( "In the first quadrant, if sinA = cosB, then A and B are complementary angles, so A+B = 90 degrees. \n" ); document.write( " |