document.write( "Question 822009: given sin theta = 4/5 and is in the 2nd quadrant, find the exact values of cscx and cosx. \n" ); document.write( "
Algebra.Com's Answer #494548 by stanbon(75887) ![]() You can put this solution on YOUR website! given sin theta = 4/5 and is in the 2nd quadrant, find the exact values \n" ); document.write( "of csc(t) and cos(t) \n" ); document.write( "----- \n" ); document.write( "Note: In QII x is negative and y is positive. \n" ); document.write( "----------------- \n" ); document.write( "If sin(t) = 4/5 y = 4 and r = 5 \n" ); document.write( "Then x = sqrt[5^2-4^2] = 3 \n" ); document.write( "So x = -3 \n" ); document.write( "-------- \n" ); document.write( "Ans: csc(t) = 1/sin = 5/4 \n" ); document.write( "cos(t) = x/r = -3/5 \n" ); document.write( "=========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |