document.write( "Question 1199614: if tan 0= 2/3 and angle 0 is a principal angle that lies in a quadrant 3 such that 0° ≤ θ ≤ 360°, determine cos 0 and sin 0 \n" ); document.write( "

Algebra.Com's Answer #833566 by MathTherapy(10552) $\"\"$ $\"About$

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document.write( "if tan 0= 2/3 and angle 0 is a principal angle that lies in a quadrant 3 such that 0° ≤ θ ≤ 360°, determine cos 0 and sin 0\r\n" );
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document.write( "As θ is in the 3rd quadrant, \r\n" );
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document.write( "                \r\n" );
document.write( "                                  \r\n" );
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document.write( "               We then get:

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