document.write( "Question 1197786: If the tangent of an angle is positive and the secant of the angle is negative, in which quadrant does the angle terminate?
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document.write( "A. I
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document.write( "B. II
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document.write( "C. III
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document.write( "D. IV
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document.write( "E. Information given is not sufficient to determine. \n" );
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Algebra.Com's Answer #831237 by math_tutor2020(3817)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "sin = sine \n" ); document.write( "cos = cosine \n" ); document.write( "sec = secant \n" ); document.write( "tan = tangent\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "tan = sin/cos \n" ); document.write( "sec = 1/cos\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since tangent is positive, this means sin/cos is positive. \n" ); document.write( "This further means one of the the following (pick one) \n" ); document.write( "
\n" ); document.write( "Recall that \n" ); document.write( "x = cos(theta) \n" ); document.write( "If cosine is negative then we're to the left of the y axis in either quadrant II or quadrant III. \n" ); document.write( "But we know we're not in quadrant II because of the previous info mentioned. We must be in quadrant III.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I recommend reviewing a unit circle.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer: C. III \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |